Home / 2,145,301.60-3,219,134.40-1,304,443.84

Finding the Fourth Proportional to 2,145,301.60, 3,219,134.40 and 1,304,443.84

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Solution

The fourth proportional to 2,145,301.60, 3,219,134.40 and 1,304,443.84 is: 1,957,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,301.60 : 3,219,134.40 = 1,304,443.84 : x
  2. Step 2: Convert to fraction form
    2,145,301.60/3,219,134.40 = 1,304,443.84/x
  3. Step 3: Cross multiply
    2,145,301.60x = 3,219,134.40 × 1,304,443.84
  4. Step 4: Simplify right side
    2,145,301.60x = 4,199,180,038,212.10
  5. Step 5: Solve for x
    x = 4,199,180,038,212.10/2,145,301.60
  6. Step 6: Final answer
    x = 1,957,384.47

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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.