Home / 5,101,853.02-7,040,564.37-2,778,754.66

Finding the Fourth Proportional to 5,101,853.02, 7,040,564.37 and 2,778,754.66

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Solution

The fourth proportional to 5,101,853.02, 7,040,564.37 and 2,778,754.66 is: 3,834,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,853.02 : 7,040,564.37 = 2,778,754.66 : x
  2. Step 2: Convert to fraction form
    5,101,853.02/7,040,564.37 = 2,778,754.66/x
  3. Step 3: Cross multiply
    5,101,853.02x = 7,040,564.37 × 2,778,754.66
  4. Step 4: Simplify right side
    5,101,853.02x = 19,564,001,052,167.46
  5. Step 5: Solve for x
    x = 19,564,001,052,167.46/5,101,853.02
  6. Step 6: Final answer
    x = 3,834,685.35

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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.