Home / 5,227,798.20-7,842,086.10-1,861,567.80

Finding the Fourth Proportional to 5,227,798.20, 7,842,086.10 and 1,861,567.80

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Solution

The fourth proportional to 5,227,798.20, 7,842,086.10 and 1,861,567.80 is: 2,792,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227,798.20 : 7,842,086.10 = 1,861,567.80 : x
  2. Step 2: Convert to fraction form
    5,227,798.20/7,842,086.10 = 1,861,567.80/x
  3. Step 3: Cross multiply
    5,227,798.20x = 7,842,086.10 × 1,861,567.80
  4. Step 4: Simplify right side
    5,227,798.20x = 14,598,574,968,587.58
  5. Step 5: Solve for x
    x = 14,598,574,968,587.58/5,227,798.20
  6. Step 6: Final answer
    x = 2,792,490.15

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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.