Home / 5,516,920.80-7,613,205.12-3,069,407.52

Finding the Fourth Proportional to 5,516,920.80, 7,613,205.12 and 3,069,407.52

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Solution

The fourth proportional to 5,516,920.80, 7,613,205.12 and 3,069,407.52 is: 4,235,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516,920.80 : 7,613,205.12 = 3,069,407.52 : x
  2. Step 2: Convert to fraction form
    5,516,920.80/7,613,205.12 = 3,069,407.52/x
  3. Step 3: Cross multiply
    5,516,920.80x = 7,613,205.12 × 3,069,407.52
  4. Step 4: Simplify right side
    5,516,920.80x = 23,368,029,046,630.50
  5. Step 5: Solve for x
    x = 23,368,029,046,630.50/5,516,920.80
  6. Step 6: Final answer
    x = 4,235,701.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.