Home / 3,478,461.60-5,217,692.40-954,112.80

Finding the Fourth Proportional to 3,478,461.60, 5,217,692.40 and 954,112.80

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Solution

The fourth proportional to 3,478,461.60, 5,217,692.40 and 954,112.80 is: 1,431,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,461.60 : 5,217,692.40 = 954,112.80 : x
  2. Step 2: Convert to fraction form
    3,478,461.60/5,217,692.40 = 954,112.80/x
  3. Step 3: Cross multiply
    3,478,461.60x = 5,217,692.40 × 954,112.80
  4. Step 4: Simplify right side
    3,478,461.60x = 4,978,267,105,302.72
  5. Step 5: Solve for x
    x = 4,978,267,105,302.72/3,478,461.60
  6. Step 6: Final answer
    x = 1,431,169.20

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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.