Home / 4,680,231.80-7,020,347.70-1,840,436.60

Finding the Fourth Proportional to 4,680,231.80, 7,020,347.70 and 1,840,436.60

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Solution

The fourth proportional to 4,680,231.80, 7,020,347.70 and 1,840,436.60 is: 2,760,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,231.80 : 7,020,347.70 = 1,840,436.60 : x
  2. Step 2: Convert to fraction form
    4,680,231.80/7,020,347.70 = 1,840,436.60/x
  3. Step 3: Cross multiply
    4,680,231.80x = 7,020,347.70 × 1,840,436.60
  4. Step 4: Simplify right side
    4,680,231.80x = 12,920,504,851,805.82
  5. Step 5: Solve for x
    x = 12,920,504,851,805.82/4,680,231.80
  6. Step 6: Final answer
    x = 2,760,654.90

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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.