Home / 2,954,781.12-4,077,353.04-1,665,938.40

Finding the Fourth Proportional to 2,954,781.12, 4,077,353.04 and 1,665,938.40

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Solution

The fourth proportional to 2,954,781.12, 4,077,353.04 and 1,665,938.40 is: 2,298,856.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954,781.12 : 4,077,353.04 = 1,665,938.40 : x
  2. Step 2: Convert to fraction form
    2,954,781.12/4,077,353.04 = 1,665,938.40/x
  3. Step 3: Cross multiply
    2,954,781.12x = 4,077,353.04 × 1,665,938.40
  4. Step 4: Simplify right side
    2,954,781.12x = 6,792,618,999,692.74
  5. Step 5: Solve for x
    x = 6,792,618,999,692.74/2,954,781.12
  6. Step 6: Final answer
    x = 2,298,856.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.