Home / 4,479,807.60-6,719,711.40-1,285,256.70

Finding the Fourth Proportional to 4,479,807.60, 6,719,711.40 and 1,285,256.70

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Solution

The fourth proportional to 4,479,807.60, 6,719,711.40 and 1,285,256.70 is: 1,927,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479,807.60 : 6,719,711.40 = 1,285,256.70 : x
  2. Step 2: Convert to fraction form
    4,479,807.60/6,719,711.40 = 1,285,256.70/x
  3. Step 3: Cross multiply
    4,479,807.60x = 6,719,711.40 × 1,285,256.70
  4. Step 4: Simplify right side
    4,479,807.60x = 8,636,554,098,916.38
  5. Step 5: Solve for x
    x = 8,636,554,098,916.38/4,479,807.60
  6. Step 6: Final answer
    x = 1,927,885.05

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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.