Home / 2,310,128.10-3,187,814.94-1,343,189.79

Finding the Fourth Proportional to 2,310,128.10, 3,187,814.94 and 1,343,189.79

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Solution

The fourth proportional to 2,310,128.10, 3,187,814.94 and 1,343,189.79 is: 1,853,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310,128.10 : 3,187,814.94 = 1,343,189.79 : x
  2. Step 2: Convert to fraction form
    2,310,128.10/3,187,814.94 = 1,343,189.79/x
  3. Step 3: Cross multiply
    2,310,128.10x = 3,187,814.94 × 1,343,189.79
  4. Step 4: Simplify right side
    2,310,128.10x = 4,281,840,479,817.46
  5. Step 5: Solve for x
    x = 4,281,840,479,817.46/2,310,128.10
  6. Step 6: Final answer
    x = 1,853,507.81

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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.