Home / 2,921,427.29-4,382,009.45-1,962,287.01

Finding the Fourth Proportional to 2,921,427.29, 4,382,009.45 and 1,962,287.01

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Solution

The fourth proportional to 2,921,427.29, 4,382,009.45 and 1,962,287.01 is: 2,943,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,427.29 : 4,382,009.45 = 1,962,287.01 : x
  2. Step 2: Convert to fraction form
    2,921,427.29/4,382,009.45 = 1,962,287.01/x
  3. Step 3: Cross multiply
    2,921,427.29x = 4,382,009.45 × 1,962,287.01
  4. Step 4: Simplify right side
    2,921,427.29x = 8,598,760,221,432.25
  5. Step 5: Solve for x
    x = 8,598,760,221,432.25/2,921,427.29
  6. Step 6: Final answer
    x = 2,943,342.20

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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.