Home / 2,438,380.62-3,364,809.51-1,405,834.86

Finding the Fourth Proportional to 2,438,380.62, 3,364,809.51 and 1,405,834.86

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Solution

The fourth proportional to 2,438,380.62, 3,364,809.51 and 1,405,834.86 is: 1,939,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438,380.62 : 3,364,809.51 = 1,405,834.86 : x
  2. Step 2: Convert to fraction form
    2,438,380.62/3,364,809.51 = 1,405,834.86/x
  3. Step 3: Cross multiply
    2,438,380.62x = 3,364,809.51 × 1,405,834.86
  4. Step 4: Simplify right side
    2,438,380.62x = 4,730,366,506,417.52
  5. Step 5: Solve for x
    x = 4,730,366,506,417.52/2,438,380.62
  6. Step 6: Final answer
    x = 1,939,962.31

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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.