Home / 3,438,129.80-5,153,428.20-1,729,548.20

Finding the Fourth Proportional to 3,438,129.80, 5,153,428.20 and 1,729,548.20

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Solution

The fourth proportional to 3,438,129.80, 5,153,428.20 and 1,729,548.20 is: 2,592,427.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,129.80 : 5,153,428.20 = 1,729,548.20 : x
  2. Step 2: Convert to fraction form
    3,438,129.80/5,153,428.20 = 1,729,548.20/x
  3. Step 3: Cross multiply
    3,438,129.80x = 5,153,428.20 × 1,729,548.20
  4. Step 4: Simplify right side
    3,438,129.80x = 8,913,102,467,139.24
  5. Step 5: Solve for x
    x = 8,913,102,467,139.24/3,438,129.80
  6. Step 6: Final answer
    x = 2,592,427.57

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1.5x scale

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.