Home / 4,300,437.26-6,449,118.89-1,421,271.20

Finding the Fourth Proportional to 4,300,437.26, 6,449,118.89 and 1,421,271.20

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Solution

The fourth proportional to 4,300,437.26, 6,449,118.89 and 1,421,271.20 is: 2,131,398.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300,437.26 : 6,449,118.89 = 1,421,271.20 : x
  2. Step 2: Convert to fraction form
    4,300,437.26/6,449,118.89 = 1,421,271.20/x
  3. Step 3: Cross multiply
    4,300,437.26x = 6,449,118.89 × 1,421,271.20
  4. Step 4: Simplify right side
    4,300,437.26x = 9,165,946,943,732.97
  5. Step 5: Solve for x
    x = 9,165,946,943,732.97/4,300,437.26
  6. Step 6: Final answer
    x = 2,131,398.83

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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.