Home / 3,118,658.85-4,678,459.16-1,321,549.65

Finding the Fourth Proportional to 3,118,658.85, 4,678,459.16 and 1,321,549.65

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Solution

The fourth proportional to 3,118,658.85, 4,678,459.16 and 1,321,549.65 is: 1,982,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,658.85 : 4,678,459.16 = 1,321,549.65 : x
  2. Step 2: Convert to fraction form
    3,118,658.85/4,678,459.16 = 1,321,549.65/x
  3. Step 3: Cross multiply
    3,118,658.85x = 4,678,459.16 × 1,321,549.65
  4. Step 4: Simplify right side
    3,118,658.85x = 6,182,816,058,829.55
  5. Step 5: Solve for x
    x = 6,182,816,058,829.55/3,118,658.85
  6. Step 6: Final answer
    x = 1,982,524.01

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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.