Home / 3,260,656.86-4,891,001.49-1,911,870.78

Finding the Fourth Proportional to 3,260,656.86, 4,891,001.49 and 1,911,870.78

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Solution

The fourth proportional to 3,260,656.86, 4,891,001.49 and 1,911,870.78 is: 2,867,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260,656.86 : 4,891,001.49 = 1,911,870.78 : x
  2. Step 2: Convert to fraction form
    3,260,656.86/4,891,001.49 = 1,911,870.78/x
  3. Step 3: Cross multiply
    3,260,656.86x = 4,891,001.49 × 1,911,870.78
  4. Step 4: Simplify right side
    3,260,656.86x = 9,350,962,833,667.46
  5. Step 5: Solve for x
    x = 9,350,962,833,667.46/3,260,656.86
  6. Step 6: Final answer
    x = 2,867,815.67

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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.