Home / 4,859,077.20-7,287,866.58-1,620,671.40

Finding the Fourth Proportional to 4,859,077.20, 7,287,866.58 and 1,620,671.40

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Solution

The fourth proportional to 4,859,077.20, 7,287,866.58 and 1,620,671.40 is: 2,430,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859,077.20 : 7,287,866.58 = 1,620,671.40 : x
  2. Step 2: Convert to fraction form
    4,859,077.20/7,287,866.58 = 1,620,671.40/x
  3. Step 3: Cross multiply
    4,859,077.20x = 7,287,866.58 × 1,620,671.40
  4. Step 4: Simplify right side
    4,859,077.20x = 11,811,236,933,221.81
  5. Step 5: Solve for x
    x = 11,811,236,933,221.81/4,859,077.20
  6. Step 6: Final answer
    x = 2,430,757.21

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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.