Home / 3,841,128.50-5,300,969.88-2,122,212.08

Finding the Fourth Proportional to 3,841,128.50, 5,300,969.88 and 2,122,212.08

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Solution

The fourth proportional to 3,841,128.50, 5,300,969.88 and 2,122,212.08 is: 2,928,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841,128.50 : 5,300,969.88 = 2,122,212.08 : x
  2. Step 2: Convert to fraction form
    3,841,128.50/5,300,969.88 = 2,122,212.08/x
  3. Step 3: Cross multiply
    3,841,128.50x = 5,300,969.88 × 2,122,212.08
  4. Step 4: Simplify right side
    3,841,128.50x = 11,249,782,315,052.15
  5. Step 5: Solve for x
    x = 11,249,782,315,052.15/3,841,128.50
  6. Step 6: Final answer
    x = 2,928,770.10

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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.