Home / 4,885,421.20-7,328,131.80-2,048,736.40

Finding the Fourth Proportional to 4,885,421.20, 7,328,131.80 and 2,048,736.40

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Solution

The fourth proportional to 4,885,421.20, 7,328,131.80 and 2,048,736.40 is: 3,073,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,421.20 : 7,328,131.80 = 2,048,736.40 : x
  2. Step 2: Convert to fraction form
    4,885,421.20/7,328,131.80 = 2,048,736.40/x
  3. Step 3: Cross multiply
    4,885,421.20x = 7,328,131.80 × 2,048,736.40
  4. Step 4: Simplify right side
    4,885,421.20x = 15,013,410,362,657.52
  5. Step 5: Solve for x
    x = 15,013,410,362,657.52/4,885,421.20
  6. Step 6: Final answer
    x = 3,073,104.60

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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.