Home / 6,128,209.85-8,456,605.76-3,514,578.86

Finding the Fourth Proportional to 6,128,209.85, 8,456,605.76 and 3,514,578.86

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Solution

The fourth proportional to 6,128,209.85, 8,456,605.76 and 3,514,578.86 is: 4,849,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,209.85 : 8,456,605.76 = 3,514,578.86 : x
  2. Step 2: Convert to fraction form
    6,128,209.85/8,456,605.76 = 3,514,578.86/x
  3. Step 3: Cross multiply
    6,128,209.85x = 8,456,605.76 × 3,514,578.86
  4. Step 4: Simplify right side
    6,128,209.85x = 29,721,407,835,018.86
  5. Step 5: Solve for x
    x = 29,721,407,835,018.86/6,128,209.85
  6. Step 6: Final answer
    x = 4,849,933.10

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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.