Home / 3,609,347.28-4,980,900.36-1,977,741.36

Finding the Fourth Proportional to 3,609,347.28, 4,980,900.36 and 1,977,741.36

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Solution

The fourth proportional to 3,609,347.28, 4,980,900.36 and 1,977,741.36 is: 2,729,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,347.28 : 4,980,900.36 = 1,977,741.36 : x
  2. Step 2: Convert to fraction form
    3,609,347.28/4,980,900.36 = 1,977,741.36/x
  3. Step 3: Cross multiply
    3,609,347.28x = 4,980,900.36 × 1,977,741.36
  4. Step 4: Simplify right side
    3,609,347.28x = 9,850,932,652,010.89
  5. Step 5: Solve for x
    x = 9,850,932,652,010.89/3,609,347.28
  6. Step 6: Final answer
    x = 2,729,283.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.