Home / 2,577,478.28-3,556,821.66-1,431,632.12

Finding the Fourth Proportional to 2,577,478.28, 3,556,821.66 and 1,431,632.12

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Solution

The fourth proportional to 2,577,478.28, 3,556,821.66 and 1,431,632.12 is: 1,975,597.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577,478.28 : 3,556,821.66 = 1,431,632.12 : x
  2. Step 2: Convert to fraction form
    2,577,478.28/3,556,821.66 = 1,431,632.12/x
  3. Step 3: Cross multiply
    2,577,478.28x = 3,556,821.66 × 1,431,632.12
  4. Step 4: Simplify right side
    2,577,478.28x = 5,092,060,133,567.72
  5. Step 5: Solve for x
    x = 5,092,060,133,567.72/2,577,478.28
  6. Step 6: Final answer
    x = 1,975,597.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.