Home / 2,191,404.65-3,024,080.40-1,224,542.89

Finding the Fourth Proportional to 2,191,404.65, 3,024,080.40 and 1,224,542.89

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Solution

The fourth proportional to 2,191,404.65, 3,024,080.40 and 1,224,542.89 is: 1,689,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,404.65 : 3,024,080.40 = 1,224,542.89 : x
  2. Step 2: Convert to fraction form
    2,191,404.65/3,024,080.40 = 1,224,542.89/x
  3. Step 3: Cross multiply
    2,191,404.65x = 3,024,080.40 × 1,224,542.89
  4. Step 4: Simplify right side
    2,191,404.65x = 3,703,116,145,048.16
  5. Step 5: Solve for x
    x = 3,703,116,145,048.16/2,191,404.65
  6. Step 6: Final answer
    x = 1,689,836.76

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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.