Home / 1,819,951.70-2,729,927.55-557,615.30

Finding the Fourth Proportional to 1,819,951.70, 2,729,927.55 and 557,615.30

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Solution

The fourth proportional to 1,819,951.70, 2,729,927.55 and 557,615.30 is: 836,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,951.70 : 2,729,927.55 = 557,615.30 : x
  2. Step 2: Convert to fraction form
    1,819,951.70/2,729,927.55 = 557,615.30/x
  3. Step 3: Cross multiply
    1,819,951.70x = 2,729,927.55 × 557,615.30
  4. Step 4: Simplify right side
    1,819,951.70x = 1,522,249,369,771.52
  5. Step 5: Solve for x
    x = 1,522,249,369,771.52/1,819,951.70
  6. Step 6: Final answer
    x = 836,422.95

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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.