Home / 3,940,118.45-5,437,607.12-2,174,008.13

Finding the Fourth Proportional to 3,940,118.45, 5,437,607.12 and 2,174,008.13

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Solution

The fourth proportional to 3,940,118.45, 5,437,607.12 and 2,174,008.13 is: 3,000,265.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,118.45 : 5,437,607.12 = 2,174,008.13 : x
  2. Step 2: Convert to fraction form
    3,940,118.45/5,437,607.12 = 2,174,008.13/x
  3. Step 3: Cross multiply
    3,940,118.45x = 5,437,607.12 × 2,174,008.13
  4. Step 4: Simplify right side
    3,940,118.45x = 11,821,402,048,567.81
  5. Step 5: Solve for x
    x = 11,821,402,048,567.81/3,940,118.45
  6. Step 6: Final answer
    x = 3,000,265.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.