Home / 1,913,621.04-2,640,945.90-1,054,335.78

Finding the Fourth Proportional to 1,913,621.04, 2,640,945.90 and 1,054,335.78

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Solution

The fourth proportional to 1,913,621.04, 2,640,945.90 and 1,054,335.78 is: 1,455,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,621.04 : 2,640,945.90 = 1,054,335.78 : x
  2. Step 2: Convert to fraction form
    1,913,621.04/2,640,945.90 = 1,054,335.78/x
  3. Step 3: Cross multiply
    1,913,621.04x = 2,640,945.90 × 1,054,335.78
  4. Step 4: Simplify right side
    1,913,621.04x = 2,784,443,755,414.30
  5. Step 5: Solve for x
    x = 2,784,443,755,414.30/1,913,621.04
  6. Step 6: Final answer
    x = 1,455,065.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.