Home / 2,518,526.90-3,776,675.79-721,000.82

Finding the Fourth Proportional to 2,518,526.90, 3,776,675.79 and 721,000.82

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Solution

The fourth proportional to 2,518,526.90, 3,776,675.79 and 721,000.82 is: 1,081,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,526.90 : 3,776,675.79 = 721,000.82 : x
  2. Step 2: Convert to fraction form
    2,518,526.90/3,776,675.79 = 721,000.82/x
  3. Step 3: Cross multiply
    2,518,526.90x = 3,776,675.79 × 721,000.82
  4. Step 4: Simplify right side
    2,518,526.90x = 2,722,986,341,464.15
  5. Step 5: Solve for x
    x = 2,722,986,341,464.15/2,518,526.90
  6. Step 6: Final answer
    x = 1,081,182.16

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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.