Home / 2,785,744-4,178,923.20-892,040.32

Finding the Fourth Proportional to 2,785,744, 4,178,923.20 and 892,040.32

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Solution

The fourth proportional to 2,785,744, 4,178,923.20 and 892,040.32 is: 1,338,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,744 : 4,178,923.20 = 892,040.32 : x
  2. Step 2: Convert to fraction form
    2,785,744/4,178,923.20 = 892,040.32/x
  3. Step 3: Cross multiply
    2,785,744x = 4,178,923.20 × 892,040.32
  4. Step 4: Simplify right side
    2,785,744x = 3,727,767,988,583.42
  5. Step 5: Solve for x
    x = 3,727,767,988,583.42/2,785,744
  6. Step 6: Final answer
    x = 1,338,158.85

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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.