Home / 3,158,141.42-4,358,270.38-1,707,865.16

Finding the Fourth Proportional to 3,158,141.42, 4,358,270.38 and 1,707,865.16

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Solution

The fourth proportional to 3,158,141.42, 4,358,270.38 and 1,707,865.16 is: 2,356,872.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,141.42 : 4,358,270.38 = 1,707,865.16 : x
  2. Step 2: Convert to fraction form
    3,158,141.42/4,358,270.38 = 1,707,865.16/x
  3. Step 3: Cross multiply
    3,158,141.42x = 4,358,270.38 × 1,707,865.16
  4. Step 4: Simplify right side
    3,158,141.42x = 7,443,338,139,861.96
  5. Step 5: Solve for x
    x = 7,443,338,139,861.96/3,158,141.42
  6. Step 6: Final answer
    x = 2,356,872.97

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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.