Home / 3,039,830.12-4,195,089.06-1,681,679.72

Finding the Fourth Proportional to 3,039,830.12, 4,195,089.06 and 1,681,679.72

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Solution

The fourth proportional to 3,039,830.12, 4,195,089.06 and 1,681,679.72 is: 2,320,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039,830.12 : 4,195,089.06 = 1,681,679.72 : x
  2. Step 2: Convert to fraction form
    3,039,830.12/4,195,089.06 = 1,681,679.72/x
  3. Step 3: Cross multiply
    3,039,830.12x = 4,195,089.06 × 1,681,679.72
  4. Step 4: Simplify right side
    3,039,830.12x = 7,054,796,195,795.86
  5. Step 5: Solve for x
    x = 7,054,796,195,795.86/3,039,830.12
  6. Step 6: Final answer
    x = 2,320,786.33

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1.5x scale

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.