Home / 1,648,165.55-2,272,735.19-1,219,338.59

Finding the Fourth Proportional to 1,648,165.55, 2,272,735.19 and 1,219,338.59

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Solution

The fourth proportional to 1,648,165.55, 2,272,735.19 and 1,219,338.59 is: 1,681,404.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,165.55 : 2,272,735.19 = 1,219,338.59 : x
  2. Step 2: Convert to fraction form
    1,648,165.55/2,272,735.19 = 1,219,338.59/x
  3. Step 3: Cross multiply
    1,648,165.55x = 2,272,735.19 × 1,219,338.59
  4. Step 4: Simplify right side
    1,648,165.55x = 2,771,233,722,017.98
  5. Step 5: Solve for x
    x = 2,771,233,722,017.98/1,648,165.55
  6. Step 6: Final answer
    x = 1,681,404.95

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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.