Home / 1,913,120.44-2,640,226.05-1,053,680.50

Finding the Fourth Proportional to 1,913,120.44, 2,640,226.05 and 1,053,680.50

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Solution

The fourth proportional to 1,913,120.44, 2,640,226.05 and 1,053,680.50 is: 1,454,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,120.44 : 2,640,226.05 = 1,053,680.50 : x
  2. Step 2: Convert to fraction form
    1,913,120.44/2,640,226.05 = 1,053,680.50/x
  3. Step 3: Cross multiply
    1,913,120.44x = 2,640,226.05 × 1,053,680.50
  4. Step 4: Simplify right side
    1,913,120.44x = 2,781,954,704,477.03
  5. Step 5: Solve for x
    x = 2,781,954,704,477.03/1,913,120.44
  6. Step 6: Final answer
    x = 1,454,145.10

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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.