Home / 2,140,825.74-3,210,438.53-861,001.23

Finding the Fourth Proportional to 2,140,825.74, 3,210,438.53 and 861,001.23

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Solution

The fourth proportional to 2,140,825.74, 3,210,438.53 and 861,001.23 is: 1,291,180.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,825.74 : 3,210,438.53 = 861,001.23 : x
  2. Step 2: Convert to fraction form
    2,140,825.74/3,210,438.53 = 861,001.23/x
  3. Step 3: Cross multiply
    2,140,825.74x = 3,210,438.53 × 861,001.23
  4. Step 4: Simplify right side
    2,140,825.74x = 2,764,191,526,890.48
  5. Step 5: Solve for x
    x = 2,764,191,526,890.48/2,140,825.74
  6. Step 6: Final answer
    x = 1,291,180.07

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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.