Home / 3,612,923.74-4,985,376.52-1,980,901.65

Finding the Fourth Proportional to 3,612,923.74, 4,985,376.52 and 1,980,901.65

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Solution

The fourth proportional to 3,612,923.74, 4,985,376.52 and 1,980,901.65 is: 2,733,393.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,923.74 : 4,985,376.52 = 1,980,901.65 : x
  2. Step 2: Convert to fraction form
    3,612,923.74/4,985,376.52 = 1,980,901.65/x
  3. Step 3: Cross multiply
    3,612,923.74x = 4,985,376.52 × 1,980,901.65
  4. Step 4: Simplify right side
    3,612,923.74x = 9,875,540,550,691.84
  5. Step 5: Solve for x
    x = 9,875,540,550,691.84/3,612,923.74
  6. Step 6: Final answer
    x = 2,733,393.02

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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.