Home / 3,121,002.80-4,674,505.80-2,561,130.80

Finding the Fourth Proportional to 3,121,002.80, 4,674,505.80 and 2,561,130.80

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Solution

The fourth proportional to 3,121,002.80, 4,674,505.80 and 2,561,130.80 is: 3,835,953.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,002.80 : 4,674,505.80 = 2,561,130.80 : x
  2. Step 2: Convert to fraction form
    3,121,002.80/4,674,505.80 = 2,561,130.80/x
  3. Step 3: Cross multiply
    3,121,002.80x = 4,674,505.80 × 2,561,130.80
  4. Step 4: Simplify right side
    3,121,002.80x = 11,972,020,779,158.64
  5. Step 5: Solve for x
    x = 11,972,020,779,158.64/3,121,002.80
  6. Step 6: Final answer
    x = 3,835,953.23

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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.