Home / 1,913,439-2,640,427.02-1,053,951.24

Finding the Fourth Proportional to 1,913,439, 2,640,427.02 and 1,053,951.24

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Solution

The fourth proportional to 1,913,439, 2,640,427.02 and 1,053,951.24 is: 1,454,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,439 : 2,640,427.02 = 1,053,951.24 : x
  2. Step 2: Convert to fraction form
    1,913,439/2,640,427.02 = 1,053,951.24/x
  3. Step 3: Cross multiply
    1,913,439x = 2,640,427.02 × 1,053,951.24
  4. Step 4: Simplify right side
    1,913,439x = 2,782,881,331,858.51
  5. Step 5: Solve for x
    x = 2,782,881,331,858.51/1,913,439
  6. Step 6: Final answer
    x = 1,454,387.27

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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.