Home / 5,160,733.89-7,742,034.24-2,126,411.85

Finding the Fourth Proportional to 5,160,733.89, 7,742,034.24 and 2,126,411.85

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Solution

The fourth proportional to 5,160,733.89, 7,742,034.24 and 2,126,411.85 is: 3,190,002.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,733.89 : 7,742,034.24 = 2,126,411.85 : x
  2. Step 2: Convert to fraction form
    5,160,733.89/7,742,034.24 = 2,126,411.85/x
  3. Step 3: Cross multiply
    5,160,733.89x = 7,742,034.24 × 2,126,411.85
  4. Step 4: Simplify right side
    5,160,733.89x = 16,462,753,346,492.99
  5. Step 5: Solve for x
    x = 16,462,753,346,492.99/5,160,733.89
  6. Step 6: Final answer
    x = 3,190,002.37

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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.