Home / 4,538,160.31-6,808,679.48-1,620,190.56

Finding the Fourth Proportional to 4,538,160.31, 6,808,679.48 and 1,620,190.56

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Solution

The fourth proportional to 4,538,160.31, 6,808,679.48 and 1,620,190.56 is: 2,430,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538,160.31 : 6,808,679.48 = 1,620,190.56 : x
  2. Step 2: Convert to fraction form
    4,538,160.31/6,808,679.48 = 1,620,190.56/x
  3. Step 3: Cross multiply
    4,538,160.31x = 6,808,679.48 × 1,620,190.56
  4. Step 4: Simplify right side
    4,538,160.31x = 11,031,358,211,460.76
  5. Step 5: Solve for x
    x = 11,031,358,211,460.76/4,538,160.31
  6. Step 6: Final answer
    x = 2,430,799.59

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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.