Home / 3,370,977.78-4,650,809.72-1,919,644.08

Finding the Fourth Proportional to 3,370,977.78, 4,650,809.72 and 1,919,644.08

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Solution

The fourth proportional to 3,370,977.78, 4,650,809.72 and 1,919,644.08 is: 2,648,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370,977.78 : 4,650,809.72 = 1,919,644.08 : x
  2. Step 2: Convert to fraction form
    3,370,977.78/4,650,809.72 = 1,919,644.08/x
  3. Step 3: Cross multiply
    3,370,977.78x = 4,650,809.72 × 1,919,644.08
  4. Step 4: Simplify right side
    3,370,977.78x = 8,927,899,346,204.46
  5. Step 5: Solve for x
    x = 8,927,899,346,204.46/3,370,977.78
  6. Step 6: Final answer
    x = 2,648,459.86

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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.