Home / 2,613,661.02-3,921,278.85-816,471.90

Finding the Fourth Proportional to 2,613,661.02, 3,921,278.85 and 816,471.90

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Solution

The fourth proportional to 2,613,661.02, 3,921,278.85 and 816,471.90 is: 1,224,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613,661.02 : 3,921,278.85 = 816,471.90 : x
  2. Step 2: Convert to fraction form
    2,613,661.02/3,921,278.85 = 816,471.90/x
  3. Step 3: Cross multiply
    2,613,661.02x = 3,921,278.85 × 816,471.90
  4. Step 4: Simplify right side
    2,613,661.02x = 3,201,613,993,089.32
  5. Step 5: Solve for x
    x = 3,201,613,993,089.32/2,613,661.02
  6. Step 6: Final answer
    x = 1,224,953.80

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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.