Home / 2,479,341.42-3,421,228.32-1,391,732.65

Finding the Fourth Proportional to 2,479,341.42, 3,421,228.32 and 1,391,732.65

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Solution

The fourth proportional to 2,479,341.42, 3,421,228.32 and 1,391,732.65 is: 1,920,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,341.42 : 3,421,228.32 = 1,391,732.65 : x
  2. Step 2: Convert to fraction form
    2,479,341.42/3,421,228.32 = 1,391,732.65/x
  3. Step 3: Cross multiply
    2,479,341.42x = 3,421,228.32 × 1,391,732.65
  4. Step 4: Simplify right side
    2,479,341.42x = 4,761,435,151,763.15
  5. Step 5: Solve for x
    x = 4,761,435,151,763.15/2,479,341.42
  6. Step 6: Final answer
    x = 1,920,443.52

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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.