Home / 2,131,290.30-3,191,686.65-1,008,047.10

Finding the Fourth Proportional to 2,131,290.30, 3,191,686.65 and 1,008,047.10

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Solution

The fourth proportional to 2,131,290.30, 3,191,686.65 and 1,008,047.10 is: 1,509,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,290.30 : 3,191,686.65 = 1,008,047.10 : x
  2. Step 2: Convert to fraction form
    2,131,290.30/3,191,686.65 = 1,008,047.10/x
  3. Step 3: Cross multiply
    2,131,290.30x = 3,191,686.65 × 1,008,047.10
  4. Step 4: Simplify right side
    2,131,290.30x = 3,217,370,471,641.22
  5. Step 5: Solve for x
    x = 3,217,370,471,641.22/2,131,290.30
  6. Step 6: Final answer
    x = 1,509,588.10

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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.