Home / 2,785,818.72-4,182,601.92-1,438,976.64

Finding the Fourth Proportional to 2,785,818.72, 4,182,601.92 and 1,438,976.64

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Solution

The fourth proportional to 2,785,818.72, 4,182,601.92 and 1,438,976.64 is: 2,160,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,818.72 : 4,182,601.92 = 1,438,976.64 : x
  2. Step 2: Convert to fraction form
    2,785,818.72/4,182,601.92 = 1,438,976.64/x
  3. Step 3: Cross multiply
    2,785,818.72x = 4,182,601.92 × 1,438,976.64
  4. Step 4: Simplify right side
    2,785,818.72x = 6,018,666,457,299.15
  5. Step 5: Solve for x
    x = 6,018,666,457,299.15/2,785,818.72
  6. Step 6: Final answer
    x = 2,160,465.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.