Home / 5,011,567.20-7,517,350.80-1,816,689.60

Finding the Fourth Proportional to 5,011,567.20, 7,517,350.80 and 1,816,689.60

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Solution

The fourth proportional to 5,011,567.20, 7,517,350.80 and 1,816,689.60 is: 2,725,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011,567.20 : 7,517,350.80 = 1,816,689.60 : x
  2. Step 2: Convert to fraction form
    5,011,567.20/7,517,350.80 = 1,816,689.60/x
  3. Step 3: Cross multiply
    5,011,567.20x = 7,517,350.80 × 1,816,689.60
  4. Step 4: Simplify right side
    5,011,567.20x = 13,656,693,017,911.68
  5. Step 5: Solve for x
    x = 13,656,693,017,911.68/5,011,567.20
  6. Step 6: Final answer
    x = 2,725,034.40

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Similar ratio
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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.