Home / 3,112,966.40-4,669,449.60-1,219,078.40

Finding the Fourth Proportional to 3,112,966.40, 4,669,449.60 and 1,219,078.40

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Solution

The fourth proportional to 3,112,966.40, 4,669,449.60 and 1,219,078.40 is: 1,828,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,966.40 : 4,669,449.60 = 1,219,078.40 : x
  2. Step 2: Convert to fraction form
    3,112,966.40/4,669,449.60 = 1,219,078.40/x
  3. Step 3: Cross multiply
    3,112,966.40x = 4,669,449.60 × 1,219,078.40
  4. Step 4: Simplify right side
    3,112,966.40x = 5,692,425,147,248.64
  5. Step 5: Solve for x
    x = 5,692,425,147,248.64/3,112,966.40
  6. Step 6: Final answer
    x = 1,828,617.60

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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.