Home / 6,475,743.72-8,939,550.18-3,758,966.76

Finding the Fourth Proportional to 6,475,743.72, 8,939,550.18 and 3,758,966.76

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Solution

The fourth proportional to 6,475,743.72, 8,939,550.18 and 3,758,966.76 is: 5,189,129.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,743.72 : 8,939,550.18 = 3,758,966.76 : x
  2. Step 2: Convert to fraction form
    6,475,743.72/8,939,550.18 = 3,758,966.76/x
  3. Step 3: Cross multiply
    6,475,743.72x = 8,939,550.18 × 3,758,966.76
  4. Step 4: Simplify right side
    6,475,743.72x = 33,603,471,975,972.02
  5. Step 5: Solve for x
    x = 33,603,471,975,972.02/6,475,743.72
  6. Step 6: Final answer
    x = 5,189,129.38

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1.5x scale

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.