Home / 2,603,386.80-3,904,720.20-807,505.20

Finding the Fourth Proportional to 2,603,386.80, 3,904,720.20 and 807,505.20

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Solution

The fourth proportional to 2,603,386.80, 3,904,720.20 and 807,505.20 is: 1,211,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603,386.80 : 3,904,720.20 = 807,505.20 : x
  2. Step 2: Convert to fraction form
    2,603,386.80/3,904,720.20 = 807,505.20/x
  3. Step 3: Cross multiply
    2,603,386.80x = 3,904,720.20 × 807,505.20
  4. Step 4: Simplify right side
    2,603,386.80x = 3,153,081,866,045.04
  5. Step 5: Solve for x
    x = 3,153,081,866,045.04/2,603,386.80
  6. Step 6: Final answer
    x = 1,211,146.14

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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.