Home / 6,381,800-9,572,783.36-2,121,968.24

Finding the Fourth Proportional to 6,381,800, 9,572,783.36 and 2,121,968.24

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Solution

The fourth proportional to 6,381,800, 9,572,783.36 and 2,121,968.24 is: 3,182,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,800 : 9,572,783.36 = 2,121,968.24 : x
  2. Step 2: Convert to fraction form
    6,381,800/9,572,783.36 = 2,121,968.24/x
  3. Step 3: Cross multiply
    6,381,800x = 9,572,783.36 × 2,121,968.24
  4. Step 4: Simplify right side
    6,381,800x = 20,313,142,258,320.49
  5. Step 5: Solve for x
    x = 20,313,142,258,320.49/6,381,800
  6. Step 6: Final answer
    x = 3,182,980.08

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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.