Home / 2,870,369.24-3,960,921.53-1,581,209.63

Finding the Fourth Proportional to 2,870,369.24, 3,960,921.53 and 1,581,209.63

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Solution

The fourth proportional to 2,870,369.24, 3,960,921.53 and 1,581,209.63 is: 2,181,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,369.24 : 3,960,921.53 = 1,581,209.63 : x
  2. Step 2: Convert to fraction form
    2,870,369.24/3,960,921.53 = 1,581,209.63/x
  3. Step 3: Cross multiply
    2,870,369.24x = 3,960,921.53 × 1,581,209.63
  4. Step 4: Simplify right side
    2,870,369.24x = 6,263,047,239,199.68
  5. Step 5: Solve for x
    x = 6,263,047,239,199.68/2,870,369.24
  6. Step 6: Final answer
    x = 2,181,965.71

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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.