Home / 1,816,639.76-2,506,963.56-1,053,135.92

Finding the Fourth Proportional to 1,816,639.76, 2,506,963.56 and 1,053,135.92

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Solution

The fourth proportional to 1,816,639.76, 2,506,963.56 and 1,053,135.92 is: 1,453,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,639.76 : 2,506,963.56 = 1,053,135.92 : x
  2. Step 2: Convert to fraction form
    1,816,639.76/2,506,963.56 = 1,053,135.92/x
  3. Step 3: Cross multiply
    1,816,639.76x = 2,506,963.56 × 1,053,135.92
  4. Step 4: Simplify right side
    1,816,639.76x = 2,640,173,375,167.08
  5. Step 5: Solve for x
    x = 2,640,173,375,167.08/1,816,639.76
  6. Step 6: Final answer
    x = 1,453,327.97

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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.