Home / 4,867,770.80-7,287,659.40-2,978,202.80

Finding the Fourth Proportional to 4,867,770.80, 7,287,659.40 and 2,978,202.80

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Solution

The fourth proportional to 4,867,770.80, 7,287,659.40 and 2,978,202.80 is: 4,458,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867,770.80 : 7,287,659.40 = 2,978,202.80 : x
  2. Step 2: Convert to fraction form
    4,867,770.80/7,287,659.40 = 2,978,202.80/x
  3. Step 3: Cross multiply
    4,867,770.80x = 7,287,659.40 × 2,978,202.80
  4. Step 4: Simplify right side
    4,867,770.80x = 21,704,127,630,526.32
  5. Step 5: Solve for x
    x = 21,704,127,630,526.32/4,867,770.80
  6. Step 6: Final answer
    x = 4,458,740.67

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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.