Home / 3,131,154.50-4,321,009.80-1,754,501.18

Finding the Fourth Proportional to 3,131,154.50, 4,321,009.80 and 1,754,501.18

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Solution

The fourth proportional to 3,131,154.50, 4,321,009.80 and 1,754,501.18 is: 2,421,220.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,154.50 : 4,321,009.80 = 1,754,501.18 : x
  2. Step 2: Convert to fraction form
    3,131,154.50/4,321,009.80 = 1,754,501.18/x
  3. Step 3: Cross multiply
    3,131,154.50x = 4,321,009.80 × 1,754,501.18
  4. Step 4: Simplify right side
    3,131,154.50x = 7,581,216,771,286.52
  5. Step 5: Solve for x
    x = 7,581,216,771,286.52/3,131,154.50
  6. Step 6: Final answer
    x = 2,421,220.92

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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.