Home / 1,913,020.20-2,640,087.18-1,053,580.23

Finding the Fourth Proportional to 1,913,020.20, 2,640,087.18 and 1,053,580.23

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Solution

The fourth proportional to 1,913,020.20, 2,640,087.18 and 1,053,580.23 is: 1,454,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,020.20 : 2,640,087.18 = 1,053,580.23 : x
  2. Step 2: Convert to fraction form
    1,913,020.20/2,640,087.18 = 1,053,580.23/x
  3. Step 3: Cross multiply
    1,913,020.20x = 2,640,087.18 × 1,053,580.23
  4. Step 4: Simplify right side
    1,913,020.20x = 2,781,543,658,324.45
  5. Step 5: Solve for x
    x = 2,781,543,658,324.45/1,913,020.20
  6. Step 6: Final answer
    x = 1,454,006.42

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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.