Home / 3,192,603.40-4,788,905.10-1,512,987.40

Finding the Fourth Proportional to 3,192,603.40, 4,788,905.10 and 1,512,987.40

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Solution

The fourth proportional to 3,192,603.40, 4,788,905.10 and 1,512,987.40 is: 2,269,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192,603.40 : 4,788,905.10 = 1,512,987.40 : x
  2. Step 2: Convert to fraction form
    3,192,603.40/4,788,905.10 = 1,512,987.40/x
  3. Step 3: Cross multiply
    3,192,603.40x = 4,788,905.10 × 1,512,987.40
  4. Step 4: Simplify right side
    3,192,603.40x = 7,245,553,076,095.74
  5. Step 5: Solve for x
    x = 7,245,553,076,095.74/3,192,603.40
  6. Step 6: Final answer
    x = 2,269,481.10

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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.