Home / 7,639,270.40-11,458,905.60-2,319,795.20

Finding the Fourth Proportional to 7,639,270.40, 11,458,905.60 and 2,319,795.20

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Solution

The fourth proportional to 7,639,270.40, 11,458,905.60 and 2,319,795.20 is: 3,479,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,270.40 : 11,458,905.60 = 2,319,795.20 : x
  2. Step 2: Convert to fraction form
    7,639,270.40/11,458,905.60 = 2,319,795.20/x
  3. Step 3: Cross multiply
    7,639,270.40x = 11,458,905.60 × 2,319,795.20
  4. Step 4: Simplify right side
    7,639,270.40x = 26,582,314,208,133.12
  5. Step 5: Solve for x
    x = 26,582,314,208,133.12/7,639,270.40
  6. Step 6: Final answer
    x = 3,479,692.80

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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.