Home / 3,178,565.33-4,388,042.93-2,151,500.94

Finding the Fourth Proportional to 3,178,565.33, 4,388,042.93 and 2,151,500.94

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Solution

The fourth proportional to 3,178,565.33, 4,388,042.93 and 2,151,500.94 is: 2,970,169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,565.33 : 4,388,042.93 = 2,151,500.94 : x
  2. Step 2: Convert to fraction form
    3,178,565.33/4,388,042.93 = 2,151,500.94/x
  3. Step 3: Cross multiply
    3,178,565.33x = 4,388,042.93 × 2,151,500.94
  4. Step 4: Simplify right side
    3,178,565.33x = 9,440,878,477,897.85
  5. Step 5: Solve for x
    x = 9,440,878,477,897.85/3,178,565.33
  6. Step 6: Final answer
    x = 2,970,169.72

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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.