Home / 1,913,228.30-2,640,254.97-1,053,788.58

Finding the Fourth Proportional to 1,913,228.30, 2,640,254.97 and 1,053,788.58

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Solution

The fourth proportional to 1,913,228.30, 2,640,254.97 and 1,053,788.58 is: 1,454,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,228.30 : 2,640,254.97 = 1,053,788.58 : x
  2. Step 2: Convert to fraction form
    1,913,228.30/2,640,254.97 = 1,053,788.58/x
  3. Step 3: Cross multiply
    1,913,228.30x = 2,640,254.97 × 1,053,788.58
  4. Step 4: Simplify right side
    1,913,228.30x = 2,782,270,535,674.24
  5. Step 5: Solve for x
    x = 2,782,270,535,674.24/1,913,228.30
  6. Step 6: Final answer
    x = 1,454,228.20

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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.