Home / 2,636,728.40-3,951,928.31-1,357,937.60

Finding the Fourth Proportional to 2,636,728.40, 3,951,928.31 and 1,357,937.60

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Solution

The fourth proportional to 2,636,728.40, 3,951,928.31 and 1,357,937.60 is: 2,035,276.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,728.40 : 3,951,928.31 = 1,357,937.60 : x
  2. Step 2: Convert to fraction form
    2,636,728.40/3,951,928.31 = 1,357,937.60/x
  3. Step 3: Cross multiply
    2,636,728.40x = 3,951,928.31 × 1,357,937.60
  4. Step 4: Simplify right side
    2,636,728.40x = 5,366,472,018,104.13
  5. Step 5: Solve for x
    x = 5,366,472,018,104.13/2,636,728.40
  6. Step 6: Final answer
    x = 2,035,276.75

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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.