Home / 2,131,603.76-3,197,908.12-692,282.32

Finding the Fourth Proportional to 2,131,603.76, 3,197,908.12 and 692,282.32

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Solution

The fourth proportional to 2,131,603.76, 3,197,908.12 and 692,282.32 is: 1,038,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,603.76 : 3,197,908.12 = 692,282.32 : x
  2. Step 2: Convert to fraction form
    2,131,603.76/3,197,908.12 = 692,282.32/x
  3. Step 3: Cross multiply
    2,131,603.76x = 3,197,908.12 × 692,282.32
  4. Step 4: Simplify right side
    2,131,603.76x = 2,213,855,252,460.44
  5. Step 5: Solve for x
    x = 2,213,855,252,460.44/2,131,603.76
  6. Step 6: Final answer
    x = 1,038,586.67

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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.