Home / 5,185,971.66-7,156,755.54-2,862,858.78

Finding the Fourth Proportional to 5,185,971.66, 7,156,755.54 and 2,862,858.78

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Solution

The fourth proportional to 5,185,971.66, 7,156,755.54 and 2,862,858.78 is: 3,950,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,971.66 : 7,156,755.54 = 2,862,858.78 : x
  2. Step 2: Convert to fraction form
    5,185,971.66/7,156,755.54 = 2,862,858.78/x
  3. Step 3: Cross multiply
    5,185,971.66x = 7,156,755.54 × 2,862,858.78
  4. Step 4: Simplify right side
    5,185,971.66x = 20,488,780,434,002.64
  5. Step 5: Solve for x
    x = 20,488,780,434,002.64/5,185,971.66
  6. Step 6: Final answer
    x = 3,950,808.41

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1.5x scale

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.