Home / 1,949,464.17-2,690,080.01-1,078,280.11

Finding the Fourth Proportional to 1,949,464.17, 2,690,080.01 and 1,078,280.11

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Solution

The fourth proportional to 1,949,464.17, 2,690,080.01 and 1,078,280.11 is: 1,487,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,464.17 : 2,690,080.01 = 1,078,280.11 : x
  2. Step 2: Convert to fraction form
    1,949,464.17/2,690,080.01 = 1,078,280.11/x
  3. Step 3: Cross multiply
    1,949,464.17x = 2,690,080.01 × 1,078,280.11
  4. Step 4: Simplify right side
    1,949,464.17x = 2,900,659,769,091.60
  5. Step 5: Solve for x
    x = 2,900,659,769,091.60/1,949,464.17
  6. Step 6: Final answer
    x = 1,487,926.69

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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.