Home / 2,587,999.80-3,881,481.30-1,240,159.80

Finding the Fourth Proportional to 2,587,999.80, 3,881,481.30 and 1,240,159.80

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Solution

The fourth proportional to 2,587,999.80, 3,881,481.30 and 1,240,159.80 is: 1,859,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,999.80 : 3,881,481.30 = 1,240,159.80 : x
  2. Step 2: Convert to fraction form
    2,587,999.80/3,881,481.30 = 1,240,159.80/x
  3. Step 3: Cross multiply
    2,587,999.80x = 3,881,481.30 × 1,240,159.80
  4. Step 4: Simplify right side
    2,587,999.80x = 4,813,657,072,711.74
  5. Step 5: Solve for x
    x = 4,813,657,072,711.74/2,587,999.80
  6. Step 6: Final answer
    x = 1,859,991.28

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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.