Home / 3,638,139.60-5,446,711.80-3,218,235.60

Finding the Fourth Proportional to 3,638,139.60, 5,446,711.80 and 3,218,235.60

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Solution

The fourth proportional to 3,638,139.60, 5,446,711.80 and 3,218,235.60 is: 4,818,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,139.60 : 5,446,711.80 = 3,218,235.60 : x
  2. Step 2: Convert to fraction form
    3,638,139.60/5,446,711.80 = 3,218,235.60/x
  3. Step 3: Cross multiply
    3,638,139.60x = 5,446,711.80 × 3,218,235.60
  4. Step 4: Simplify right side
    3,638,139.60x = 17,528,801,817,700.08
  5. Step 5: Solve for x
    x = 17,528,801,817,700.08/3,638,139.60
  6. Step 6: Final answer
    x = 4,818,067.40

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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.