Home / 2,972,618.72-4,102,076.52-1,683,468.40

Finding the Fourth Proportional to 2,972,618.72, 4,102,076.52 and 1,683,468.40

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Solution

The fourth proportional to 2,972,618.72, 4,102,076.52 and 1,683,468.40 is: 2,323,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,618.72 : 4,102,076.52 = 1,683,468.40 : x
  2. Step 2: Convert to fraction form
    2,972,618.72/4,102,076.52 = 1,683,468.40/x
  3. Step 3: Cross multiply
    2,972,618.72x = 4,102,076.52 × 1,683,468.40
  4. Step 4: Simplify right side
    2,972,618.72x = 6,905,716,195,801.97
  5. Step 5: Solve for x
    x = 6,905,716,195,801.97/2,972,618.72
  6. Step 6: Final answer
    x = 2,323,108.63

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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.