Home / 3,413,438.22-5,120,155.71-1,017,221.70

Finding the Fourth Proportional to 3,413,438.22, 5,120,155.71 and 1,017,221.70

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Solution

The fourth proportional to 3,413,438.22, 5,120,155.71 and 1,017,221.70 is: 1,525,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,438.22 : 5,120,155.71 = 1,017,221.70 : x
  2. Step 2: Convert to fraction form
    3,413,438.22/5,120,155.71 = 1,017,221.70/x
  3. Step 3: Cross multiply
    3,413,438.22x = 5,120,155.71 × 1,017,221.70
  4. Step 4: Simplify right side
    3,413,438.22x = 5,208,333,495,590.91
  5. Step 5: Solve for x
    x = 5,208,333,495,590.91/3,413,438.22
  6. Step 6: Final answer
    x = 1,525,832.07

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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.