Home / 3,435,430.80-5,153,146.20-876,640.80

Finding the Fourth Proportional to 3,435,430.80, 5,153,146.20 and 876,640.80

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Solution

The fourth proportional to 3,435,430.80, 5,153,146.20 and 876,640.80 is: 1,314,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435,430.80 : 5,153,146.20 = 876,640.80 : x
  2. Step 2: Convert to fraction form
    3,435,430.80/5,153,146.20 = 876,640.80/x
  3. Step 3: Cross multiply
    3,435,430.80x = 5,153,146.20 × 876,640.80
  4. Step 4: Simplify right side
    3,435,430.80x = 4,517,458,207,284.96
  5. Step 5: Solve for x
    x = 4,517,458,207,284.96/3,435,430.80
  6. Step 6: Final answer
    x = 1,314,961.20

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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.