Home / 4,870,813.20-7,306,680.60-1,324,957.20

Finding the Fourth Proportional to 4,870,813.20, 7,306,680.60 and 1,324,957.20

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Solution

The fourth proportional to 4,870,813.20, 7,306,680.60 and 1,324,957.20 is: 1,987,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870,813.20 : 7,306,680.60 = 1,324,957.20 : x
  2. Step 2: Convert to fraction form
    4,870,813.20/7,306,680.60 = 1,324,957.20/x
  3. Step 3: Cross multiply
    4,870,813.20x = 7,306,680.60 × 1,324,957.20
  4. Step 4: Simplify right side
    4,870,813.20x = 9,681,039,069,070.32
  5. Step 5: Solve for x
    x = 9,681,039,069,070.32/4,870,813.20
  6. Step 6: Final answer
    x = 1,987,561.15

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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.