Home / 3,672,038.40-5,508,057.60-1,971,427.20

Finding the Fourth Proportional to 3,672,038.40, 5,508,057.60 and 1,971,427.20

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Solution

The fourth proportional to 3,672,038.40, 5,508,057.60 and 1,971,427.20 is: 2,957,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672,038.40 : 5,508,057.60 = 1,971,427.20 : x
  2. Step 2: Convert to fraction form
    3,672,038.40/5,508,057.60 = 1,971,427.20/x
  3. Step 3: Cross multiply
    3,672,038.40x = 5,508,057.60 × 1,971,427.20
  4. Step 4: Simplify right side
    3,672,038.40x = 10,858,734,571,806.72
  5. Step 5: Solve for x
    x = 10,858,734,571,806.72/3,672,038.40
  6. Step 6: Final answer
    x = 2,957,140.80

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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.