Home / 3,619,698.82-4,995,281.93-2,129,654.53

Finding the Fourth Proportional to 3,619,698.82, 4,995,281.93 and 2,129,654.53

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Solution

The fourth proportional to 3,619,698.82, 4,995,281.93 and 2,129,654.53 is: 2,938,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,698.82 : 4,995,281.93 = 2,129,654.53 : x
  2. Step 2: Convert to fraction form
    3,619,698.82/4,995,281.93 = 2,129,654.53/x
  3. Step 3: Cross multiply
    3,619,698.82x = 4,995,281.93 × 2,129,654.53
  4. Step 4: Simplify right side
    3,619,698.82x = 10,638,224,790,851.64
  5. Step 5: Solve for x
    x = 10,638,224,790,851.64/3,619,698.82
  6. Step 6: Final answer
    x = 2,938,980.65

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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.