Home / 5,695,742.78-7,860,125.03-3,117,423.55

Finding the Fourth Proportional to 5,695,742.78, 7,860,125.03 and 3,117,423.55

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Solution

The fourth proportional to 5,695,742.78, 7,860,125.03 and 3,117,423.55 is: 4,302,044.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695,742.78 : 7,860,125.03 = 3,117,423.55 : x
  2. Step 2: Convert to fraction form
    5,695,742.78/7,860,125.03 = 3,117,423.55/x
  3. Step 3: Cross multiply
    5,695,742.78x = 7,860,125.03 × 3,117,423.55
  4. Step 4: Simplify right side
    5,695,742.78x = 24,503,338,902,376.62
  5. Step 5: Solve for x
    x = 24,503,338,902,376.62/5,695,742.78
  6. Step 6: Final answer
    x = 4,302,044.50

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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.