Home / 4,751,429.36-7,127,143.95-2,191,887.14

Finding the Fourth Proportional to 4,751,429.36, 7,127,143.95 and 2,191,887.14

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Solution

The fourth proportional to 4,751,429.36, 7,127,143.95 and 2,191,887.14 is: 3,287,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751,429.36 : 7,127,143.95 = 2,191,887.14 : x
  2. Step 2: Convert to fraction form
    4,751,429.36/7,127,143.95 = 2,191,887.14/x
  3. Step 3: Cross multiply
    4,751,429.36x = 7,127,143.95 × 2,191,887.14
  4. Step 4: Simplify right side
    4,751,429.36x = 15,621,895,168,933.80
  5. Step 5: Solve for x
    x = 15,621,895,168,933.80/4,751,429.36
  6. Step 6: Final answer
    x = 3,287,830.67

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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.