Home / 3,133,722.40-4,702,138.80-1,786,919.20

Finding the Fourth Proportional to 3,133,722.40, 4,702,138.80 and 1,786,919.20

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Solution

The fourth proportional to 3,133,722.40, 4,702,138.80 and 1,786,919.20 is: 2,681,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133,722.40 : 4,702,138.80 = 1,786,919.20 : x
  2. Step 2: Convert to fraction form
    3,133,722.40/4,702,138.80 = 1,786,919.20/x
  3. Step 3: Cross multiply
    3,133,722.40x = 4,702,138.80 × 1,786,919.20
  4. Step 4: Simplify right side
    3,133,722.40x = 8,402,342,102,784.96
  5. Step 5: Solve for x
    x = 8,402,342,102,784.96/3,133,722.40
  6. Step 6: Final answer
    x = 2,681,265.61

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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.