Home / 4,858,778.16-7,287,419.88-1,620,372.51

Finding the Fourth Proportional to 4,858,778.16, 7,287,419.88 and 1,620,372.51

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Solution

The fourth proportional to 4,858,778.16, 7,287,419.88 and 1,620,372.51 is: 2,430,309.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,858,778.16 : 7,287,419.88 = 1,620,372.51 : x
  2. Step 2: Convert to fraction form
    4,858,778.16/7,287,419.88 = 1,620,372.51/x
  3. Step 3: Cross multiply
    4,858,778.16x = 7,287,419.88 × 1,620,372.51
  4. Step 4: Simplify right side
    4,858,778.16x = 11,808,334,842,379.50
  5. Step 5: Solve for x
    x = 11,808,334,842,379.50/4,858,778.16
  6. Step 6: Final answer
    x = 2,430,309.53

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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.