Home / 4,781,720.80-7,174,503.60-1,942,055.20

Finding the Fourth Proportional to 4,781,720.80, 7,174,503.60 and 1,942,055.20

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Solution

The fourth proportional to 4,781,720.80, 7,174,503.60 and 1,942,055.20 is: 2,913,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781,720.80 : 7,174,503.60 = 1,942,055.20 : x
  2. Step 2: Convert to fraction form
    4,781,720.80/7,174,503.60 = 1,942,055.20/x
  3. Step 3: Cross multiply
    4,781,720.80x = 7,174,503.60 × 1,942,055.20
  4. Step 4: Simplify right side
    4,781,720.80x = 13,933,282,023,798.72
  5. Step 5: Solve for x
    x = 13,933,282,023,798.72/4,781,720.80
  6. Step 6: Final answer
    x = 2,913,863.57

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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.