Home / 6,605,108.80-9,907,663.20-2,117,838.40

Finding the Fourth Proportional to 6,605,108.80, 9,907,663.20 and 2,117,838.40

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Solution

The fourth proportional to 6,605,108.80, 9,907,663.20 and 2,117,838.40 is: 3,176,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605,108.80 : 9,907,663.20 = 2,117,838.40 : x
  2. Step 2: Convert to fraction form
    6,605,108.80/9,907,663.20 = 2,117,838.40/x
  3. Step 3: Cross multiply
    6,605,108.80x = 9,907,663.20 × 2,117,838.40
  4. Step 4: Simplify right side
    6,605,108.80x = 20,982,829,579,226.88
  5. Step 5: Solve for x
    x = 20,982,829,579,226.88/6,605,108.80
  6. Step 6: Final answer
    x = 3,176,757.60

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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.