Home / 6,780,048-9,357,297.84-3,918,480

Finding the Fourth Proportional to 6,780,048, 9,357,297.84 and 3,918,480

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Solution

The fourth proportional to 6,780,048, 9,357,297.84 and 3,918,480 is: 5,407,983.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780,048 : 9,357,297.84 = 3,918,480 : x
  2. Step 2: Convert to fraction form
    6,780,048/9,357,297.84 = 3,918,480/x
  3. Step 3: Cross multiply
    6,780,048x = 9,357,297.84 × 3,918,480
  4. Step 4: Simplify right side
    6,780,048x = 36,666,384,440,083.20
  5. Step 5: Solve for x
    x = 36,666,384,440,083.20/6,780,048
  6. Step 6: Final answer
    x = 5,407,983.02

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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.