Home / 2,690,637.60-4,033,947.60-1,625,455.20

Finding the Fourth Proportional to 2,690,637.60, 4,033,947.60 and 1,625,455.20

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Solution

The fourth proportional to 2,690,637.60, 4,033,947.60 and 1,625,455.20 is: 2,436,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,637.60 : 4,033,947.60 = 1,625,455.20 : x
  2. Step 2: Convert to fraction form
    2,690,637.60/4,033,947.60 = 1,625,455.20/x
  3. Step 3: Cross multiply
    2,690,637.60x = 4,033,947.60 × 1,625,455.20
  4. Step 4: Simplify right side
    2,690,637.60x = 6,557,001,102,947.52
  5. Step 5: Solve for x
    x = 6,557,001,102,947.52/2,690,637.60
  6. Step 6: Final answer
    x = 2,436,969.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.