Home / 5,808,001.20-8,712,001.80-5,199,140.40

Finding the Fourth Proportional to 5,808,001.20, 8,712,001.80 and 5,199,140.40

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Solution

The fourth proportional to 5,808,001.20, 8,712,001.80 and 5,199,140.40 is: 7,798,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808,001.20 : 8,712,001.80 = 5,199,140.40 : x
  2. Step 2: Convert to fraction form
    5,808,001.20/8,712,001.80 = 5,199,140.40/x
  3. Step 3: Cross multiply
    5,808,001.20x = 8,712,001.80 × 5,199,140.40
  4. Step 4: Simplify right side
    5,808,001.20x = 45,294,920,523,252.73
  5. Step 5: Solve for x
    x = 45,294,920,523,252.73/5,808,001.20
  6. Step 6: Final answer
    x = 7,798,710.60

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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.