Home / 6,648,081.59-9,178,621.70-4,170,698.21

Finding the Fourth Proportional to 6,648,081.59, 9,178,621.70 and 4,170,698.21

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Solution

The fourth proportional to 6,648,081.59, 9,178,621.70 and 4,170,698.21 is: 5,758,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648,081.59 : 9,178,621.70 = 4,170,698.21 : x
  2. Step 2: Convert to fraction form
    6,648,081.59/9,178,621.70 = 4,170,698.21/x
  3. Step 3: Cross multiply
    6,648,081.59x = 9,178,621.70 × 4,170,698.21
  4. Step 4: Simplify right side
    6,648,081.59x = 38,281,261,027,710.56
  5. Step 5: Solve for x
    x = 38,281,261,027,710.56/6,648,081.59
  6. Step 6: Final answer
    x = 5,758,241.76

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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.