Home / 3,215,709.28-4,437,730.80-1,765,538.40

Finding the Fourth Proportional to 3,215,709.28, 4,437,730.80 and 1,765,538.40

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Solution

The fourth proportional to 3,215,709.28, 4,437,730.80 and 1,765,538.40 is: 2,436,471.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,709.28 : 4,437,730.80 = 1,765,538.40 : x
  2. Step 2: Convert to fraction form
    3,215,709.28/4,437,730.80 = 1,765,538.40/x
  3. Step 3: Cross multiply
    3,215,709.28x = 4,437,730.80 × 1,765,538.40
  4. Step 4: Simplify right side
    3,215,709.28x = 7,834,984,136,262.72
  5. Step 5: Solve for x
    x = 7,834,984,136,262.72/3,215,709.28
  6. Step 6: Final answer
    x = 2,436,471.54

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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.