Home / 2,191,434.23-3,024,122.92-1,224,572.47

Finding the Fourth Proportional to 2,191,434.23, 3,024,122.92 and 1,224,572.47

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Solution

The fourth proportional to 2,191,434.23, 3,024,122.92 and 1,224,572.47 is: 1,689,878.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,434.23 : 3,024,122.92 = 1,224,572.47 : x
  2. Step 2: Convert to fraction form
    2,191,434.23/3,024,122.92 = 1,224,572.47/x
  3. Step 3: Cross multiply
    2,191,434.23x = 3,024,122.92 × 1,224,572.47
  4. Step 4: Simplify right side
    2,191,434.23x = 3,703,257,663,106.27
  5. Step 5: Solve for x
    x = 3,703,257,663,106.27/2,191,434.23
  6. Step 6: Final answer
    x = 1,689,878.53

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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.