Home / 2,137,012.45-2,949,047.73-1,170,142.74

Finding the Fourth Proportional to 2,137,012.45, 2,949,047.73 and 1,170,142.74

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Solution

The fourth proportional to 2,137,012.45, 2,949,047.73 and 1,170,142.74 is: 1,614,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,012.45 : 2,949,047.73 = 1,170,142.74 : x
  2. Step 2: Convert to fraction form
    2,137,012.45/2,949,047.73 = 1,170,142.74/x
  3. Step 3: Cross multiply
    2,137,012.45x = 2,949,047.73 × 1,170,142.74
  4. Step 4: Simplify right side
    2,137,012.45x = 3,450,806,776,427.74
  5. Step 5: Solve for x
    x = 3,450,806,776,427.74/2,137,012.45
  6. Step 6: Final answer
    x = 1,614,780.85

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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.