Home / 1,913,047.41-2,640,124.80-1,053,607.44

Finding the Fourth Proportional to 1,913,047.41, 2,640,124.80 and 1,053,607.44

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Solution

The fourth proportional to 1,913,047.41, 2,640,124.80 and 1,053,607.44 is: 1,454,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,047.41 : 2,640,124.80 = 1,053,607.44 : x
  2. Step 2: Convert to fraction form
    1,913,047.41/2,640,124.80 = 1,053,607.44/x
  3. Step 3: Cross multiply
    1,913,047.41x = 2,640,124.80 × 1,053,607.44
  4. Step 4: Simplify right side
    1,913,047.41x = 2,781,655,126,858.28
  5. Step 5: Solve for x
    x = 2,781,655,126,858.28/1,913,047.41
  6. Step 6: Final answer
    x = 1,454,044.01

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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.