Home / 3,774,046.08-5,208,131.76-2,142,439.20

Finding the Fourth Proportional to 3,774,046.08, 5,208,131.76 and 2,142,439.20

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Solution

The fourth proportional to 3,774,046.08, 5,208,131.76 and 2,142,439.20 is: 2,956,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774,046.08 : 5,208,131.76 = 2,142,439.20 : x
  2. Step 2: Convert to fraction form
    3,774,046.08/5,208,131.76 = 2,142,439.20/x
  3. Step 3: Cross multiply
    3,774,046.08x = 5,208,131.76 × 2,142,439.20
  4. Step 4: Simplify right side
    3,774,046.08x = 11,158,105,641,388.99
  5. Step 5: Solve for x
    x = 11,158,105,641,388.99/3,774,046.08
  6. Step 6: Final answer
    x = 2,956,536.67

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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.