Home / 4,961,353.60-7,442,030.40-2,121,752.80

Finding the Fourth Proportional to 4,961,353.60, 7,442,030.40 and 2,121,752.80

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Solution

The fourth proportional to 4,961,353.60, 7,442,030.40 and 2,121,752.80 is: 3,182,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961,353.60 : 7,442,030.40 = 2,121,752.80 : x
  2. Step 2: Convert to fraction form
    4,961,353.60/7,442,030.40 = 2,121,752.80/x
  3. Step 3: Cross multiply
    4,961,353.60x = 7,442,030.40 × 2,121,752.80
  4. Step 4: Simplify right side
    4,961,353.60x = 15,790,148,838,885.12
  5. Step 5: Solve for x
    x = 15,790,148,838,885.12/4,961,353.60
  6. Step 6: Final answer
    x = 3,182,629.20

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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.