Home / 4,920,711.40-7,386,596.70-3,803,732.20

Finding the Fourth Proportional to 4,920,711.40, 7,386,596.70 and 3,803,732.20

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Solution

The fourth proportional to 4,920,711.40, 7,386,596.70 and 3,803,732.20 is: 5,709,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,711.40 : 7,386,596.70 = 3,803,732.20 : x
  2. Step 2: Convert to fraction form
    4,920,711.40/7,386,596.70 = 3,803,732.20/x
  3. Step 3: Cross multiply
    4,920,711.40x = 7,386,596.70 × 3,803,732.20
  4. Step 4: Simplify right side
    4,920,711.40x = 28,096,635,716,203.74
  5. Step 5: Solve for x
    x = 28,096,635,716,203.74/4,920,711.40
  6. Step 6: Final answer
    x = 5,709,872.71

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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.