Home / 2,916,101.40-4,374,152.10-786,400.80

Finding the Fourth Proportional to 2,916,101.40, 4,374,152.10 and 786,400.80

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Solution

The fourth proportional to 2,916,101.40, 4,374,152.10 and 786,400.80 is: 1,179,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,101.40 : 4,374,152.10 = 786,400.80 : x
  2. Step 2: Convert to fraction form
    2,916,101.40/4,374,152.10 = 786,400.80/x
  3. Step 3: Cross multiply
    2,916,101.40x = 4,374,152.10 × 786,400.80
  4. Step 4: Simplify right side
    2,916,101.40x = 3,439,836,710,761.68
  5. Step 5: Solve for x
    x = 3,439,836,710,761.68/2,916,101.40
  6. Step 6: Final answer
    x = 1,179,601.20

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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.