Home / 4,751,429.86-7,127,144.70-2,191,887.64

Finding the Fourth Proportional to 4,751,429.86, 7,127,144.70 and 2,191,887.64

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Solution

The fourth proportional to 4,751,429.86, 7,127,144.70 and 2,191,887.64 is: 3,287,831.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751,429.86 : 7,127,144.70 = 2,191,887.64 : x
  2. Step 2: Convert to fraction form
    4,751,429.86/7,127,144.70 = 2,191,887.64/x
  3. Step 3: Cross multiply
    4,751,429.86x = 7,127,144.70 × 2,191,887.64
  4. Step 4: Simplify right side
    4,751,429.86x = 15,621,900,376,421.51
  5. Step 5: Solve for x
    x = 15,621,900,376,421.51/4,751,429.86
  6. Step 6: Final answer
    x = 3,287,831.42

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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.