Home / 1,452,191.49-2,178,000.09-1,380,178.98

Finding the Fourth Proportional to 1,452,191.49, 2,178,000.09 and 1,380,178.98

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Solution

The fourth proportional to 1,452,191.49, 2,178,000.09 and 1,380,178.98 is: 2,069,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,191.49 : 2,178,000.09 = 1,380,178.98 : x
  2. Step 2: Convert to fraction form
    1,452,191.49/2,178,000.09 = 1,380,178.98/x
  3. Step 3: Cross multiply
    1,452,191.49x = 2,178,000.09 × 1,380,178.98
  4. Step 4: Simplify right side
    1,452,191.49x = 3,006,029,942,656.11
  5. Step 5: Solve for x
    x = 3,006,029,942,656.11/1,452,191.49
  6. Step 6: Final answer
    x = 2,069,995.56

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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.