Home / 1,820,006.30-2,730,009.45-490,310.30

Finding the Fourth Proportional to 1,820,006.30, 2,730,009.45 and 490,310.30

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Solution

The fourth proportional to 1,820,006.30, 2,730,009.45 and 490,310.30 is: 735,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,006.30 : 2,730,009.45 = 490,310.30 : x
  2. Step 2: Convert to fraction form
    1,820,006.30/2,730,009.45 = 490,310.30/x
  3. Step 3: Cross multiply
    1,820,006.30x = 2,730,009.45 × 490,310.30
  4. Step 4: Simplify right side
    1,820,006.30x = 1,338,551,752,432.34
  5. Step 5: Solve for x
    x = 1,338,551,752,432.34/1,820,006.30
  6. Step 6: Final answer
    x = 735,465.45

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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.