Home / 3,134,630.65-4,326,263.13-1,911,645.61

Finding the Fourth Proportional to 3,134,630.65, 4,326,263.13 and 1,911,645.61

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Solution

The fourth proportional to 3,134,630.65, 4,326,263.13 and 1,911,645.61 is: 2,638,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,630.65 : 4,326,263.13 = 1,911,645.61 : x
  2. Step 2: Convert to fraction form
    3,134,630.65/4,326,263.13 = 1,911,645.61/x
  3. Step 3: Cross multiply
    3,134,630.65x = 4,326,263.13 × 1,911,645.61
  4. Step 4: Simplify right side
    3,134,630.65x = 8,270,281,920,169.36
  5. Step 5: Solve for x
    x = 8,270,281,920,169.36/3,134,630.65
  6. Step 6: Final answer
    x = 2,638,359.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.