Home / 3,346,890.30-5,020,335.45-3,115,943.10

Finding the Fourth Proportional to 3,346,890.30, 5,020,335.45 and 3,115,943.10

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Solution

The fourth proportional to 3,346,890.30, 5,020,335.45 and 3,115,943.10 is: 4,673,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346,890.30 : 5,020,335.45 = 3,115,943.10 : x
  2. Step 2: Convert to fraction form
    3,346,890.30/5,020,335.45 = 3,115,943.10/x
  3. Step 3: Cross multiply
    3,346,890.30x = 5,020,335.45 × 3,115,943.10
  4. Step 4: Simplify right side
    3,346,890.30x = 15,643,079,605,112.90
  5. Step 5: Solve for x
    x = 15,643,079,605,112.90/3,346,890.30
  6. Step 6: Final answer
    x = 4,673,914.65

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Double scale
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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.