Home / 2,087,999.70-3,131,999.55-1,090,598.10

Finding the Fourth Proportional to 2,087,999.70, 3,131,999.55 and 1,090,598.10

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Solution

The fourth proportional to 2,087,999.70, 3,131,999.55 and 1,090,598.10 is: 1,635,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,999.70 : 3,131,999.55 = 1,090,598.10 : x
  2. Step 2: Convert to fraction form
    2,087,999.70/3,131,999.55 = 1,090,598.10/x
  3. Step 3: Cross multiply
    2,087,999.70x = 3,131,999.55 × 1,090,598.10
  4. Step 4: Simplify right side
    2,087,999.70x = 3,415,752,758,430.86
  5. Step 5: Solve for x
    x = 3,415,752,758,430.86/2,087,999.70
  6. Step 6: Final answer
    x = 1,635,897.15

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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.