Home / 2,978,832.40-4,468,421.40-849,072.40

Finding the Fourth Proportional to 2,978,832.40, 4,468,421.40 and 849,072.40

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Solution

The fourth proportional to 2,978,832.40, 4,468,421.40 and 849,072.40 is: 1,273,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,832.40 : 4,468,421.40 = 849,072.40 : x
  2. Step 2: Convert to fraction form
    2,978,832.40/4,468,421.40 = 849,072.40/x
  3. Step 3: Cross multiply
    2,978,832.40x = 4,468,421.40 × 849,072.40
  4. Step 4: Simplify right side
    2,978,832.40x = 3,794,013,282,309.36
  5. Step 5: Solve for x
    x = 3,794,013,282,309.36/2,978,832.40
  6. Step 6: Final answer
    x = 1,273,657.85

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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.