Home / 4,479,530.38-6,720,899.37-1,919,671.18

Finding the Fourth Proportional to 4,479,530.38, 6,720,899.37 and 1,919,671.18

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Solution

The fourth proportional to 4,479,530.38, 6,720,899.37 and 1,919,671.18 is: 2,880,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479,530.38 : 6,720,899.37 = 1,919,671.18 : x
  2. Step 2: Convert to fraction form
    4,479,530.38/6,720,899.37 = 1,919,671.18/x
  3. Step 3: Cross multiply
    4,479,530.38x = 6,720,899.37 × 1,919,671.18
  4. Step 4: Simplify right side
    4,479,530.38x = 12,901,916,824,269.16
  5. Step 5: Solve for x
    x = 12,901,916,824,269.16/4,479,530.38
  6. Step 6: Final answer
    x = 2,880,194.07

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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.