Home / 2,113,248.70-3,171,622.65-977,758.30

Finding the Fourth Proportional to 2,113,248.70, 3,171,622.65 and 977,758.30

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Solution

The fourth proportional to 2,113,248.70, 3,171,622.65 and 977,758.30 is: 1,467,446.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,248.70 : 3,171,622.65 = 977,758.30 : x
  2. Step 2: Convert to fraction form
    2,113,248.70/3,171,622.65 = 977,758.30/x
  3. Step 3: Cross multiply
    2,113,248.70x = 3,171,622.65 × 977,758.30
  4. Step 4: Simplify right side
    2,113,248.70x = 3,101,080,370,505.50
  5. Step 5: Solve for x
    x = 3,101,080,370,505.50/2,113,248.70
  6. Step 6: Final answer
    x = 1,467,446.96

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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.