Home / 3,024,390-4,537,425.76-1,318,682.40

Finding the Fourth Proportional to 3,024,390, 4,537,425.76 and 1,318,682.40

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Solution

The fourth proportional to 3,024,390, 4,537,425.76 and 1,318,682.40 is: 1,978,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,024,390 : 4,537,425.76 = 1,318,682.40 : x
  2. Step 2: Convert to fraction form
    3,024,390/4,537,425.76 = 1,318,682.40/x
  3. Step 3: Cross multiply
    3,024,390x = 4,537,425.76 × 1,318,682.40
  4. Step 4: Simplify right side
    3,024,390x = 5,983,423,491,018.62
  5. Step 5: Solve for x
    x = 5,983,423,491,018.62/3,024,390
  6. Step 6: Final answer
    x = 1,978,390.18

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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.