Home / 1,617,265.60-2,422,690.80-1,417,811.20

Finding the Fourth Proportional to 1,617,265.60, 2,422,690.80 and 1,417,811.20

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Solution

The fourth proportional to 1,617,265.60, 2,422,690.80 and 1,417,811.20 is: 2,123,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,265.60 : 2,422,690.80 = 1,417,811.20 : x
  2. Step 2: Convert to fraction form
    1,617,265.60/2,422,690.80 = 1,417,811.20/x
  3. Step 3: Cross multiply
    1,617,265.60x = 2,422,690.80 × 1,417,811.20
  4. Step 4: Simplify right side
    1,617,265.60x = 3,434,918,150,376.96
  5. Step 5: Solve for x
    x = 3,434,918,150,376.96/1,617,265.60
  6. Step 6: Final answer
    x = 2,123,904.79

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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.