Home / 1,919,142.24-2,644,907.76-1,273,423.20

Finding the Fourth Proportional to 1,919,142.24, 2,644,907.76 and 1,273,423.20

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Solution

The fourth proportional to 1,919,142.24, 2,644,907.76 and 1,273,423.20 is: 1,754,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,142.24 : 2,644,907.76 = 1,273,423.20 : x
  2. Step 2: Convert to fraction form
    1,919,142.24/2,644,907.76 = 1,273,423.20/x
  3. Step 3: Cross multiply
    1,919,142.24x = 2,644,907.76 × 1,273,423.20
  4. Step 4: Simplify right side
    1,919,142.24x = 3,368,086,903,444.03
  5. Step 5: Solve for x
    x = 3,368,086,903,444.03/1,919,142.24
  6. Step 6: Final answer
    x = 1,754,995.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.