Home / 2,789,842.72-4,184,763.90-896,731.78

Finding the Fourth Proportional to 2,789,842.72, 4,184,763.90 and 896,731.78

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Solution

The fourth proportional to 2,789,842.72, 4,184,763.90 and 896,731.78 is: 1,345,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,842.72 : 4,184,763.90 = 896,731.78 : x
  2. Step 2: Convert to fraction form
    2,789,842.72/4,184,763.90 = 896,731.78/x
  3. Step 3: Cross multiply
    2,789,842.72x = 4,184,763.90 × 896,731.78
  4. Step 4: Simplify right side
    2,789,842.72x = 3,752,610,780,926.74
  5. Step 5: Solve for x
    x = 3,752,610,780,926.74/2,789,842.72
  6. Step 6: Final answer
    x = 1,345,097.61

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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.