Home / 3,264,405.60-4,897,299.60-989,743.20

Finding the Fourth Proportional to 3,264,405.60, 4,897,299.60 and 989,743.20

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Solution

The fourth proportional to 3,264,405.60, 4,897,299.60 and 989,743.20 is: 1,484,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264,405.60 : 4,897,299.60 = 989,743.20 : x
  2. Step 2: Convert to fraction form
    3,264,405.60/4,897,299.60 = 989,743.20/x
  3. Step 3: Cross multiply
    3,264,405.60x = 4,897,299.60 × 989,743.20
  4. Step 4: Simplify right side
    3,264,405.60x = 4,847,068,977,462.72
  5. Step 5: Solve for x
    x = 4,847,068,977,462.72/3,264,405.60
  6. Step 6: Final answer
    x = 1,484,824.37

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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.