Home / 2,129,611.80-3,194,417.70-1,064,818.20

Finding the Fourth Proportional to 2,129,611.80, 3,194,417.70 and 1,064,818.20

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Solution

The fourth proportional to 2,129,611.80, 3,194,417.70 and 1,064,818.20 is: 1,597,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,611.80 : 3,194,417.70 = 1,064,818.20 : x
  2. Step 2: Convert to fraction form
    2,129,611.80/3,194,417.70 = 1,064,818.20/x
  3. Step 3: Cross multiply
    2,129,611.80x = 3,194,417.70 × 1,064,818.20
  4. Step 4: Simplify right side
    2,129,611.80x = 3,401,474,105,362.14
  5. Step 5: Solve for x
    x = 3,401,474,105,362.14/2,129,611.80
  6. Step 6: Final answer
    x = 1,597,227.30

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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.