Home / 2,778,644.16-4,167,888.48-885,499.20

Finding the Fourth Proportional to 2,778,644.16, 4,167,888.48 and 885,499.20

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Solution

The fourth proportional to 2,778,644.16, 4,167,888.48 and 885,499.20 is: 1,328,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,644.16 : 4,167,888.48 = 885,499.20 : x
  2. Step 2: Convert to fraction form
    2,778,644.16/4,167,888.48 = 885,499.20/x
  3. Step 3: Cross multiply
    2,778,644.16x = 4,167,888.48 × 885,499.20
  4. Step 4: Simplify right side
    2,778,644.16x = 3,690,661,914,729.22
  5. Step 5: Solve for x
    x = 3,690,661,914,729.22/2,778,644.16
  6. Step 6: Final answer
    x = 1,328,224.02

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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.