Home / 1,967,118.55-2,950,419.40-619,288.20

Finding the Fourth Proportional to 1,967,118.55, 2,950,419.40 and 619,288.20

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Solution

The fourth proportional to 1,967,118.55, 2,950,419.40 and 619,288.20 is: 928,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967,118.55 : 2,950,419.40 = 619,288.20 : x
  2. Step 2: Convert to fraction form
    1,967,118.55/2,950,419.40 = 619,288.20/x
  3. Step 3: Cross multiply
    1,967,118.55x = 2,950,419.40 × 619,288.20
  4. Step 4: Simplify right side
    1,967,118.55x = 1,827,159,917,922.86
  5. Step 5: Solve for x
    x = 1,827,159,917,922.86/1,967,118.55
  6. Step 6: Final answer
    x = 928,850.94

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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.