Home / 1,526,589.32-2,290,744.22-1,406,129.36

Finding the Fourth Proportional to 1,526,589.32, 2,290,744.22 and 1,406,129.36

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Solution

The fourth proportional to 1,526,589.32, 2,290,744.22 and 1,406,129.36 is: 2,109,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,589.32 : 2,290,744.22 = 1,406,129.36 : x
  2. Step 2: Convert to fraction form
    1,526,589.32/2,290,744.22 = 1,406,129.36/x
  3. Step 3: Cross multiply
    1,526,589.32x = 2,290,744.22 × 1,406,129.36
  4. Step 4: Simplify right side
    1,526,589.32x = 3,221,082,703,992.30
  5. Step 5: Solve for x
    x = 3,221,082,703,992.30/1,526,589.32
  6. Step 6: Final answer
    x = 2,109,986.40

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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.