Home / 2,808,068.40-4,212,102.60-914,785.20

Finding the Fourth Proportional to 2,808,068.40, 4,212,102.60 and 914,785.20

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Solution

The fourth proportional to 2,808,068.40, 4,212,102.60 and 914,785.20 is: 1,372,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,068.40 : 4,212,102.60 = 914,785.20 : x
  2. Step 2: Convert to fraction form
    2,808,068.40/4,212,102.60 = 914,785.20/x
  3. Step 3: Cross multiply
    2,808,068.40x = 4,212,102.60 × 914,785.20
  4. Step 4: Simplify right side
    2,808,068.40x = 3,853,169,119,361.52
  5. Step 5: Solve for x
    x = 3,853,169,119,361.52/2,808,068.40
  6. Step 6: Final answer
    x = 1,372,177.80

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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.