Home / 6,469,545.47-9,702,657.50-1,919,517.89

Finding the Fourth Proportional to 6,469,545.47, 9,702,657.50 and 1,919,517.89

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Solution

The fourth proportional to 6,469,545.47, 9,702,657.50 and 1,919,517.89 is: 2,878,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469,545.47 : 9,702,657.50 = 1,919,517.89 : x
  2. Step 2: Convert to fraction form
    6,469,545.47/9,702,657.50 = 1,919,517.89/x
  3. Step 3: Cross multiply
    6,469,545.47x = 9,702,657.50 × 1,919,517.89
  4. Step 4: Simplify right side
    6,469,545.47x = 18,624,424,593,681.80
  5. Step 5: Solve for x
    x = 18,624,424,593,681.80/6,469,545.47
  6. Step 6: Final answer
    x = 2,878,784.10

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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.