Home / 3,151,641.60-4,727,500.80-1,021,708.80

Finding the Fourth Proportional to 3,151,641.60, 4,727,500.80 and 1,021,708.80

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Solution

The fourth proportional to 3,151,641.60, 4,727,500.80 and 1,021,708.80 is: 1,532,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,641.60 : 4,727,500.80 = 1,021,708.80 : x
  2. Step 2: Convert to fraction form
    3,151,641.60/4,727,500.80 = 1,021,708.80/x
  3. Step 3: Cross multiply
    3,151,641.60x = 4,727,500.80 × 1,021,708.80
  4. Step 4: Simplify right side
    3,151,641.60x = 4,830,129,169,367.04
  5. Step 5: Solve for x
    x = 4,830,129,169,367.04/3,151,641.60
  6. Step 6: Final answer
    x = 1,532,575.65

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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.