Home / 4,300,432.75-6,449,112.15-1,421,266.69

Finding the Fourth Proportional to 4,300,432.75, 6,449,112.15 and 1,421,266.69

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Solution

The fourth proportional to 4,300,432.75, 6,449,112.15 and 1,421,266.69 is: 2,131,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300,432.75 : 6,449,112.15 = 1,421,266.69 : x
  2. Step 2: Convert to fraction form
    4,300,432.75/6,449,112.15 = 1,421,266.69/x
  3. Step 3: Cross multiply
    4,300,432.75x = 6,449,112.15 × 1,421,266.69
  4. Step 4: Simplify right side
    4,300,432.75x = 9,165,908,278,869.28
  5. Step 5: Solve for x
    x = 9,165,908,278,869.28/4,300,432.75
  6. Step 6: Final answer
    x = 2,131,392.07

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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.