Home / 3,131,303.72-4,321,199.16-1,773,439.16

Finding the Fourth Proportional to 3,131,303.72, 4,321,199.16 and 1,773,439.16

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Solution

The fourth proportional to 3,131,303.72, 4,321,199.16 and 1,773,439.16 is: 2,447,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,303.72 : 4,321,199.16 = 1,773,439.16 : x
  2. Step 2: Convert to fraction form
    3,131,303.72/4,321,199.16 = 1,773,439.16/x
  3. Step 3: Cross multiply
    3,131,303.72x = 4,321,199.16 × 1,773,439.16
  4. Step 4: Simplify right side
    3,131,303.72x = 7,663,383,808,503.11
  5. Step 5: Solve for x
    x = 7,663,383,808,503.11/3,131,303.72
  6. Step 6: Final answer
    x = 2,447,346.06

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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.