Home / 2,551,828.20-3,828,451.68-1,112,637.40

Finding the Fourth Proportional to 2,551,828.20, 3,828,451.68 and 1,112,637.40

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Solution

The fourth proportional to 2,551,828.20, 3,828,451.68 and 1,112,637.40 is: 1,669,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,828.20 : 3,828,451.68 = 1,112,637.40 : x
  2. Step 2: Convert to fraction form
    2,551,828.20/3,828,451.68 = 1,112,637.40/x
  3. Step 3: Cross multiply
    2,551,828.20x = 3,828,451.68 × 1,112,637.40
  4. Step 4: Simplify right side
    2,551,828.20x = 4,259,678,523,260.83
  5. Step 5: Solve for x
    x = 4,259,678,523,260.83/2,551,828.20
  6. Step 6: Final answer
    x = 1,669,265.40

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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.