Home / 3,620,024.60-5,428,433.10-1,223,218.40

Finding the Fourth Proportional to 3,620,024.60, 5,428,433.10 and 1,223,218.40

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Solution

The fourth proportional to 3,620,024.60, 5,428,433.10 and 1,223,218.40 is: 1,834,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,024.60 : 5,428,433.10 = 1,223,218.40 : x
  2. Step 2: Convert to fraction form
    3,620,024.60/5,428,433.10 = 1,223,218.40/x
  3. Step 3: Cross multiply
    3,620,024.60x = 5,428,433.10 × 1,223,218.40
  4. Step 4: Simplify right side
    3,620,024.60x = 6,640,159,251,089.04
  5. Step 5: Solve for x
    x = 6,640,159,251,089.04/3,620,024.60
  6. Step 6: Final answer
    x = 1,834,285.67

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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.