Home / 3,520,003.65-4,857,642.60-2,161,876.65

Finding the Fourth Proportional to 3,520,003.65, 4,857,642.60 and 2,161,876.65

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Solution

The fourth proportional to 3,520,003.65, 4,857,642.60 and 2,161,876.65 is: 2,983,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,003.65 : 4,857,642.60 = 2,161,876.65 : x
  2. Step 2: Convert to fraction form
    3,520,003.65/4,857,642.60 = 2,161,876.65/x
  3. Step 3: Cross multiply
    3,520,003.65x = 4,857,642.60 × 2,161,876.65
  4. Step 4: Simplify right side
    3,520,003.65x = 10,501,624,110,985.29
  5. Step 5: Solve for x
    x = 10,501,624,110,985.29/3,520,003.65
  6. Step 6: Final answer
    x = 2,983,412.85

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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.