Home / 1,913,026.17-2,640,095.47-1,053,586.20

Finding the Fourth Proportional to 1,913,026.17, 2,640,095.47 and 1,053,586.20

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Solution

The fourth proportional to 1,913,026.17, 2,640,095.47 and 1,053,586.20 is: 1,454,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,026.17 : 2,640,095.47 = 1,053,586.20 : x
  2. Step 2: Convert to fraction form
    1,913,026.17/2,640,095.47 = 1,053,586.20/x
  3. Step 3: Cross multiply
    1,913,026.17x = 2,640,095.47 × 1,053,586.20
  4. Step 4: Simplify right side
    1,913,026.17x = 2,781,568,165,091.86
  5. Step 5: Solve for x
    x = 2,781,568,165,091.86/1,913,026.17
  6. Step 6: Final answer
    x = 1,454,014.69

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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.