Home / 5,142,141.50-7,706,569.10-2,447,292.74

Finding the Fourth Proportional to 5,142,141.50, 7,706,569.10 and 2,447,292.74

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Solution

The fourth proportional to 5,142,141.50, 7,706,569.10 and 2,447,292.74 is: 3,667,777.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142,141.50 : 7,706,569.10 = 2,447,292.74 : x
  2. Step 2: Convert to fraction form
    5,142,141.50/7,706,569.10 = 2,447,292.74/x
  3. Step 3: Cross multiply
    5,142,141.50x = 7,706,569.10 × 2,447,292.74
  4. Step 4: Simplify right side
    5,142,141.50x = 18,860,230,557,969.02
  5. Step 5: Solve for x
    x = 18,860,230,557,969.02/5,142,141.50
  6. Step 6: Final answer
    x = 3,667,777.44

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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.