Home / 3,120,416.20-4,681,061.70-1,226,717.20

Finding the Fourth Proportional to 3,120,416.20, 4,681,061.70 and 1,226,717.20

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Solution

The fourth proportional to 3,120,416.20, 4,681,061.70 and 1,226,717.20 is: 1,840,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,416.20 : 4,681,061.70 = 1,226,717.20 : x
  2. Step 2: Convert to fraction form
    3,120,416.20/4,681,061.70 = 1,226,717.20/x
  3. Step 3: Cross multiply
    3,120,416.20x = 4,681,061.70 × 1,226,717.20
  4. Step 4: Simplify right side
    3,120,416.20x = 5,742,338,901,651.24
  5. Step 5: Solve for x
    x = 5,742,338,901,651.24/3,120,416.20
  6. Step 6: Final answer
    x = 1,840,247.75

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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.