Home / 2,699,490.30-4,050,258.18-1,620,756.20

Finding the Fourth Proportional to 2,699,490.30, 4,050,258.18 and 1,620,756.20

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Solution

The fourth proportional to 2,699,490.30, 4,050,258.18 and 1,620,756.20 is: 2,431,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699,490.30 : 4,050,258.18 = 1,620,756.20 : x
  2. Step 2: Convert to fraction form
    2,699,490.30/4,050,258.18 = 1,620,756.20/x
  3. Step 3: Cross multiply
    2,699,490.30x = 4,050,258.18 × 1,620,756.20
  4. Step 4: Simplify right side
    2,699,490.30x = 6,564,481,056,835.72
  5. Step 5: Solve for x
    x = 6,564,481,056,835.72/2,699,490.30
  6. Step 6: Final answer
    x = 2,431,748.34

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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.