Home / 3,539,321.12-5,309,099.24-980,561.80

Finding the Fourth Proportional to 3,539,321.12, 5,309,099.24 and 980,561.80

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Solution

The fourth proportional to 3,539,321.12, 5,309,099.24 and 980,561.80 is: 1,470,875.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,321.12 : 5,309,099.24 = 980,561.80 : x
  2. Step 2: Convert to fraction form
    3,539,321.12/5,309,099.24 = 980,561.80/x
  3. Step 3: Cross multiply
    3,539,321.12x = 5,309,099.24 × 980,561.80
  4. Step 4: Simplify right side
    3,539,321.12x = 5,205,899,908,886.60
  5. Step 5: Solve for x
    x = 5,205,899,908,886.60/3,539,321.12
  6. Step 6: Final answer
    x = 1,470,875.27

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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.