Home / 3,078,390.36-4,618,332.93-948,474.39

Finding the Fourth Proportional to 3,078,390.36, 4,618,332.93 and 948,474.39

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Solution

The fourth proportional to 3,078,390.36, 4,618,332.93 and 948,474.39 is: 1,422,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,390.36 : 4,618,332.93 = 948,474.39 : x
  2. Step 2: Convert to fraction form
    3,078,390.36/4,618,332.93 = 948,474.39/x
  3. Step 3: Cross multiply
    3,078,390.36x = 4,618,332.93 × 948,474.39
  4. Step 4: Simplify right side
    3,078,390.36x = 4,380,370,508,598.66
  5. Step 5: Solve for x
    x = 4,380,370,508,598.66/3,078,390.36
  6. Step 6: Final answer
    x = 1,422,941.86

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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.