Home / 2,065,897.80-3,098,846.70-1,428,168.60

Finding the Fourth Proportional to 2,065,897.80, 3,098,846.70 and 1,428,168.60

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Solution

The fourth proportional to 2,065,897.80, 3,098,846.70 and 1,428,168.60 is: 2,142,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,897.80 : 3,098,846.70 = 1,428,168.60 : x
  2. Step 2: Convert to fraction form
    2,065,897.80/3,098,846.70 = 1,428,168.60/x
  3. Step 3: Cross multiply
    2,065,897.80x = 3,098,846.70 × 1,428,168.60
  4. Step 4: Simplify right side
    2,065,897.80x = 4,425,675,553,153.62
  5. Step 5: Solve for x
    x = 4,425,675,553,153.62/2,065,897.80
  6. Step 6: Final answer
    x = 2,142,252.90

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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.