Home / 5,286,117.60-7,929,176.40-1,692,001.80

Finding the Fourth Proportional to 5,286,117.60, 7,929,176.40 and 1,692,001.80

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Solution

The fourth proportional to 5,286,117.60, 7,929,176.40 and 1,692,001.80 is: 2,538,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286,117.60 : 7,929,176.40 = 1,692,001.80 : x
  2. Step 2: Convert to fraction form
    5,286,117.60/7,929,176.40 = 1,692,001.80/x
  3. Step 3: Cross multiply
    5,286,117.60x = 7,929,176.40 × 1,692,001.80
  4. Step 4: Simplify right side
    5,286,117.60x = 13,416,180,741,317.52
  5. Step 5: Solve for x
    x = 13,416,180,741,317.52/5,286,117.60
  6. Step 6: Final answer
    x = 2,538,002.70

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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.