Home / 2,117,367.46-3,174,264.96-918,386.56

Finding the Fourth Proportional to 2,117,367.46, 3,174,264.96 and 918,386.56

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Solution

The fourth proportional to 2,117,367.46, 3,174,264.96 and 918,386.56 is: 1,376,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,367.46 : 3,174,264.96 = 918,386.56 : x
  2. Step 2: Convert to fraction form
    2,117,367.46/3,174,264.96 = 918,386.56/x
  3. Step 3: Cross multiply
    2,117,367.46x = 3,174,264.96 × 918,386.56
  4. Step 4: Simplify right side
    2,117,367.46x = 2,915,202,277,142.94
  5. Step 5: Solve for x
    x = 2,915,202,277,142.94/2,117,367.46
  6. Step 6: Final answer
    x = 1,376,805.08

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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.