Home / 2,578,679.70-3,860,146.35-2,011,809.30

Finding the Fourth Proportional to 2,578,679.70, 3,860,146.35 and 2,011,809.30

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Solution

The fourth proportional to 2,578,679.70, 3,860,146.35 and 2,011,809.30 is: 3,011,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,679.70 : 3,860,146.35 = 2,011,809.30 : x
  2. Step 2: Convert to fraction form
    2,578,679.70/3,860,146.35 = 2,011,809.30/x
  3. Step 3: Cross multiply
    2,578,679.70x = 3,860,146.35 × 2,011,809.30
  4. Step 4: Simplify right side
    2,578,679.70x = 7,765,878,326,291.06
  5. Step 5: Solve for x
    x = 7,765,878,326,291.06/2,578,679.70
  6. Step 6: Final answer
    x = 3,011,571.51

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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.