Home / 1,899,472.76-2,621,262.80-1,040,017.40

Finding the Fourth Proportional to 1,899,472.76, 2,621,262.80 and 1,040,017.40

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Solution

The fourth proportional to 1,899,472.76, 2,621,262.80 and 1,040,017.40 is: 1,435,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,472.76 : 2,621,262.80 = 1,040,017.40 : x
  2. Step 2: Convert to fraction form
    1,899,472.76/2,621,262.80 = 1,040,017.40/x
  3. Step 3: Cross multiply
    1,899,472.76x = 2,621,262.80 × 1,040,017.40
  4. Step 4: Simplify right side
    1,899,472.76x = 2,726,158,921,972.72
  5. Step 5: Solve for x
    x = 2,726,158,921,972.72/1,899,472.76
  6. Step 6: Final answer
    x = 1,435,218.75

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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.