Home / 1,948,904.40-2,919,209.40-1,617,128.40

Finding the Fourth Proportional to 1,948,904.40, 2,919,209.40 and 1,617,128.40

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Solution

The fourth proportional to 1,948,904.40, 2,919,209.40 and 1,617,128.40 is: 2,422,251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,904.40 : 2,919,209.40 = 1,617,128.40 : x
  2. Step 2: Convert to fraction form
    1,948,904.40/2,919,209.40 = 1,617,128.40/x
  3. Step 3: Cross multiply
    1,948,904.40x = 2,919,209.40 × 1,617,128.40
  4. Step 4: Simplify right side
    1,948,904.40x = 4,720,736,426,286.96
  5. Step 5: Solve for x
    x = 4,720,736,426,286.96/1,948,904.40
  6. Step 6: Final answer
    x = 2,422,251.41

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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.