Home / 1,919,046.20-2,648,296.55-1,047,886.94

Finding the Fourth Proportional to 1,919,046.20, 2,648,296.55 and 1,047,886.94

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Solution

The fourth proportional to 1,919,046.20, 2,648,296.55 and 1,047,886.94 is: 1,446,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,046.20 : 2,648,296.55 = 1,047,886.94 : x
  2. Step 2: Convert to fraction form
    1,919,046.20/2,648,296.55 = 1,047,886.94/x
  3. Step 3: Cross multiply
    1,919,046.20x = 2,648,296.55 × 1,047,886.94
  4. Step 4: Simplify right side
    1,919,046.20x = 2,775,115,377,232.52
  5. Step 5: Solve for x
    x = 2,775,115,377,232.52/1,919,046.20
  6. Step 6: Final answer
    x = 1,446,090.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.