Home / 4,300,434.76-6,449,115.14-1,421,268.70

Finding the Fourth Proportional to 4,300,434.76, 6,449,115.14 and 1,421,268.70

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Solution

The fourth proportional to 4,300,434.76, 6,449,115.14 and 1,421,268.70 is: 2,131,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300,434.76 : 6,449,115.14 = 1,421,268.70 : x
  2. Step 2: Convert to fraction form
    4,300,434.76/6,449,115.14 = 1,421,268.70/x
  3. Step 3: Cross multiply
    4,300,434.76x = 6,449,115.14 × 1,421,268.70
  4. Step 4: Simplify right side
    4,300,434.76x = 9,165,925,491,178.12
  5. Step 5: Solve for x
    x = 9,165,925,491,178.12/4,300,434.76
  6. Step 6: Final answer
    x = 2,131,395.08

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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.