Home / 1,855,094.40-2,778,416.64-1,105,591.68

Finding the Fourth Proportional to 1,855,094.40, 2,778,416.64 and 1,105,591.68

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Solution

The fourth proportional to 1,855,094.40, 2,778,416.64 and 1,105,591.68 is: 1,655,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,094.40 : 2,778,416.64 = 1,105,591.68 : x
  2. Step 2: Convert to fraction form
    1,855,094.40/2,778,416.64 = 1,105,591.68/x
  3. Step 3: Cross multiply
    1,855,094.40x = 2,778,416.64 × 1,105,591.68
  4. Step 4: Simplify right side
    1,855,094.40x = 3,071,794,320,757.56
  5. Step 5: Solve for x
    x = 3,071,794,320,757.56/1,855,094.40
  6. Step 6: Final answer
    x = 1,655,869.55

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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.