Home / 3,138,339.20-4,707,946.20-1,341,208.40

Finding the Fourth Proportional to 3,138,339.20, 4,707,946.20 and 1,341,208.40

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Solution

The fourth proportional to 3,138,339.20, 4,707,946.20 and 1,341,208.40 is: 2,011,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,339.20 : 4,707,946.20 = 1,341,208.40 : x
  2. Step 2: Convert to fraction form
    3,138,339.20/4,707,946.20 = 1,341,208.40/x
  3. Step 3: Cross multiply
    3,138,339.20x = 4,707,946.20 × 1,341,208.40
  4. Step 4: Simplify right side
    3,138,339.20x = 6,314,336,990,188.08
  5. Step 5: Solve for x
    x = 6,314,336,990,188.08/3,138,339.20
  6. Step 6: Final answer
    x = 2,011,999.53

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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.