Home / 3,168,486.30-4,752,729.45-2,643,606.30

Finding the Fourth Proportional to 3,168,486.30, 4,752,729.45 and 2,643,606.30

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Solution

The fourth proportional to 3,168,486.30, 4,752,729.45 and 2,643,606.30 is: 3,965,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,486.30 : 4,752,729.45 = 2,643,606.30 : x
  2. Step 2: Convert to fraction form
    3,168,486.30/4,752,729.45 = 2,643,606.30/x
  3. Step 3: Cross multiply
    3,168,486.30x = 4,752,729.45 × 2,643,606.30
  4. Step 4: Simplify right side
    3,168,486.30x = 12,564,345,516,215.54
  5. Step 5: Solve for x
    x = 12,564,345,516,215.54/3,168,486.30
  6. Step 6: Final answer
    x = 3,965,409.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.