Home / 2,921,620.04-4,382,900.94-899,863.28

Finding the Fourth Proportional to 2,921,620.04, 4,382,900.94 and 899,863.28

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Solution

The fourth proportional to 2,921,620.04, 4,382,900.94 and 899,863.28 is: 1,349,939.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,620.04 : 4,382,900.94 = 899,863.28 : x
  2. Step 2: Convert to fraction form
    2,921,620.04/4,382,900.94 = 899,863.28/x
  3. Step 3: Cross multiply
    2,921,620.04x = 4,382,900.94 × 899,863.28
  4. Step 4: Simplify right side
    2,921,620.04x = 3,944,011,615,783.48
  5. Step 5: Solve for x
    x = 3,944,011,615,783.48/2,921,620.04
  6. Step 6: Final answer
    x = 1,349,939.95

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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.