Home / 1,913,056.58-2,640,137.48-1,053,616.61

Finding the Fourth Proportional to 1,913,056.58, 2,640,137.48 and 1,053,616.61

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Solution

The fourth proportional to 1,913,056.58, 2,640,137.48 and 1,053,616.61 is: 1,454,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,056.58 : 2,640,137.48 = 1,053,616.61 : x
  2. Step 2: Convert to fraction form
    1,913,056.58/2,640,137.48 = 1,053,616.61/x
  3. Step 3: Cross multiply
    1,913,056.58x = 2,640,137.48 × 1,053,616.61
  4. Step 4: Simplify right side
    1,913,056.58x = 2,781,692,696,343.46
  5. Step 5: Solve for x
    x = 2,781,692,696,343.46/1,913,056.58
  6. Step 6: Final answer
    x = 1,454,056.68

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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.