Home / 1,913,297.95-2,640,350.89-1,053,858.18

Finding the Fourth Proportional to 1,913,297.95, 2,640,350.89 and 1,053,858.18

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Solution

The fourth proportional to 1,913,297.95, 2,640,350.89 and 1,053,858.18 is: 1,454,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,297.95 : 2,640,350.89 = 1,053,858.18 : x
  2. Step 2: Convert to fraction form
    1,913,297.95/2,640,350.89 = 1,053,858.18/x
  3. Step 3: Cross multiply
    1,913,297.95x = 2,640,350.89 × 1,053,858.18
  4. Step 4: Simplify right side
    1,913,297.95x = 2,782,555,383,496.78
  5. Step 5: Solve for x
    x = 2,782,555,383,496.78/1,913,297.95
  6. Step 6: Final answer
    x = 1,454,324.13

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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.