Home / 5,397,899.76-8,098,267.41-1,939,988.43

Finding the Fourth Proportional to 5,397,899.76, 8,098,267.41 and 1,939,988.43

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Solution

The fourth proportional to 5,397,899.76, 8,098,267.41 and 1,939,988.43 is: 2,910,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397,899.76 : 8,098,267.41 = 1,939,988.43 : x
  2. Step 2: Convert to fraction form
    5,397,899.76/8,098,267.41 = 1,939,988.43/x
  3. Step 3: Cross multiply
    5,397,899.76x = 8,098,267.41 × 1,939,988.43
  4. Step 4: Simplify right side
    5,397,899.76x = 15,710,545,078,446.07
  5. Step 5: Solve for x
    x = 15,710,545,078,446.07/5,397,899.76
  6. Step 6: Final answer
    x = 2,910,492.19

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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.