Home / 2,287,848.65-3,157,125.86-1,255,333.75

Finding the Fourth Proportional to 2,287,848.65, 3,157,125.86 and 1,255,333.75

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Solution

The fourth proportional to 2,287,848.65, 3,157,125.86 and 1,255,333.75 is: 1,732,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,848.65 : 3,157,125.86 = 1,255,333.75 : x
  2. Step 2: Convert to fraction form
    2,287,848.65/3,157,125.86 = 1,255,333.75/x
  3. Step 3: Cross multiply
    2,287,848.65x = 3,157,125.86 × 1,255,333.75
  4. Step 4: Simplify right side
    2,287,848.65x = 3,963,246,640,301.29
  5. Step 5: Solve for x
    x = 3,963,246,640,301.29/2,287,848.65
  6. Step 6: Final answer
    x = 1,732,302.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.