Home / 6,528,295.20-9,780,778.80-3,155,066.40

Finding the Fourth Proportional to 6,528,295.20, 9,780,778.80 and 3,155,066.40

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Solution

The fourth proportional to 6,528,295.20, 9,780,778.80 and 3,155,066.40 is: 4,726,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528,295.20 : 9,780,778.80 = 3,155,066.40 : x
  2. Step 2: Convert to fraction form
    6,528,295.20/9,780,778.80 = 3,155,066.40/x
  3. Step 3: Cross multiply
    6,528,295.20x = 9,780,778.80 × 3,155,066.40
  4. Step 4: Simplify right side
    6,528,295.20x = 30,859,006,557,712.32
  5. Step 5: Solve for x
    x = 30,859,006,557,712.32/6,528,295.20
  6. Step 6: Final answer
    x = 4,726,962.49

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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.