Home / 6,388,811.40-9,578,490.30-3,019,081.80

Finding the Fourth Proportional to 6,388,811.40, 9,578,490.30 and 3,019,081.80

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Solution

The fourth proportional to 6,388,811.40, 9,578,490.30 and 3,019,081.80 is: 4,526,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,811.40 : 9,578,490.30 = 3,019,081.80 : x
  2. Step 2: Convert to fraction form
    6,388,811.40/9,578,490.30 = 3,019,081.80/x
  3. Step 3: Cross multiply
    6,388,811.40x = 9,578,490.30 × 3,019,081.80
  4. Step 4: Simplify right side
    6,388,811.40x = 28,918,245,736,206.54
  5. Step 5: Solve for x
    x = 28,918,245,736,206.54/6,388,811.40
  6. Step 6: Final answer
    x = 4,526,389.01

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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.