Home / 3,672,390.60-5,508,585.90-1,971,779.40

Finding the Fourth Proportional to 3,672,390.60, 5,508,585.90 and 1,971,779.40

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Solution

The fourth proportional to 3,672,390.60, 5,508,585.90 and 1,971,779.40 is: 2,957,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672,390.60 : 5,508,585.90 = 1,971,779.40 : x
  2. Step 2: Convert to fraction form
    3,672,390.60/5,508,585.90 = 1,971,779.40/x
  3. Step 3: Cross multiply
    3,672,390.60x = 5,508,585.90 × 1,971,779.40
  4. Step 4: Simplify right side
    3,672,390.60x = 10,861,716,200,750.46
  5. Step 5: Solve for x
    x = 10,861,716,200,750.46/3,672,390.60
  6. Step 6: Final answer
    x = 2,957,669.10

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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.