Home / 1,902,418.31-2,626,715.12-1,224,535.79

Finding the Fourth Proportional to 1,902,418.31, 2,626,715.12 and 1,224,535.79

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Solution

The fourth proportional to 1,902,418.31, 2,626,715.12 and 1,224,535.79 is: 1,690,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,418.31 : 2,626,715.12 = 1,224,535.79 : x
  2. Step 2: Convert to fraction form
    1,902,418.31/2,626,715.12 = 1,224,535.79/x
  3. Step 3: Cross multiply
    1,902,418.31x = 2,626,715.12 × 1,224,535.79
  4. Step 4: Simplify right side
    1,902,418.31x = 3,216,506,675,018.25
  5. Step 5: Solve for x
    x = 3,216,506,675,018.25/1,902,418.31
  6. Step 6: Final answer
    x = 1,690,746.27

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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.