Home / 2,074,306.32-3,111,197.04-813,019.68

Finding the Fourth Proportional to 2,074,306.32, 3,111,197.04 and 813,019.68

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Solution

The fourth proportional to 2,074,306.32, 3,111,197.04 and 813,019.68 is: 1,219,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,306.32 : 3,111,197.04 = 813,019.68 : x
  2. Step 2: Convert to fraction form
    2,074,306.32/3,111,197.04 = 813,019.68/x
  3. Step 3: Cross multiply
    2,074,306.32x = 3,111,197.04 × 813,019.68
  4. Step 4: Simplify right side
    2,074,306.32x = 2,529,464,421,877.75
  5. Step 5: Solve for x
    x = 2,529,464,421,877.75/2,074,306.32
  6. Step 6: Final answer
    x = 1,219,426.66

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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.