Home / 5,171,421.60-7,757,132.40-1,974,902.40

Finding the Fourth Proportional to 5,171,421.60, 7,757,132.40 and 1,974,902.40

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Solution

The fourth proportional to 5,171,421.60, 7,757,132.40 and 1,974,902.40 is: 2,962,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,421.60 : 7,757,132.40 = 1,974,902.40 : x
  2. Step 2: Convert to fraction form
    5,171,421.60/7,757,132.40 = 1,974,902.40/x
  3. Step 3: Cross multiply
    5,171,421.60x = 7,757,132.40 × 1,974,902.40
  4. Step 4: Simplify right side
    5,171,421.60x = 15,319,579,393,877.76
  5. Step 5: Solve for x
    x = 15,319,579,393,877.76/5,171,421.60
  6. Step 6: Final answer
    x = 2,962,353.60

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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.