Home / 3,898,392.90-5,381,206.68-2,349,709.92

Finding the Fourth Proportional to 3,898,392.90, 5,381,206.68 and 2,349,709.92

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Solution

The fourth proportional to 3,898,392.90, 5,381,206.68 and 2,349,709.92 is: 3,243,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898,392.90 : 5,381,206.68 = 2,349,709.92 : x
  2. Step 2: Convert to fraction form
    3,898,392.90/5,381,206.68 = 2,349,709.92/x
  3. Step 3: Cross multiply
    3,898,392.90x = 5,381,206.68 × 2,349,709.92
  4. Step 4: Simplify right side
    3,898,392.90x = 12,644,274,717,566.26
  5. Step 5: Solve for x
    x = 12,644,274,717,566.26/3,898,392.90
  6. Step 6: Final answer
    x = 3,243,458.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.