Home / 1,939,224.45-2,908,837.89-928,108.74

Finding the Fourth Proportional to 1,939,224.45, 2,908,837.89 and 928,108.74

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Solution

The fourth proportional to 1,939,224.45, 2,908,837.89 and 928,108.74 is: 1,392,163.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,224.45 : 2,908,837.89 = 928,108.74 : x
  2. Step 2: Convert to fraction form
    1,939,224.45/2,908,837.89 = 928,108.74/x
  3. Step 3: Cross multiply
    1,939,224.45x = 2,908,837.89 × 928,108.74
  4. Step 4: Simplify right side
    1,939,224.45x = 2,699,717,868,952.16
  5. Step 5: Solve for x
    x = 2,699,717,868,952.16/1,939,224.45
  6. Step 6: Final answer
    x = 1,392,163.69

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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.