Home / 2,867,795.80-4,301,693.70-1,972,000.60

Finding the Fourth Proportional to 2,867,795.80, 4,301,693.70 and 1,972,000.60

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Solution

The fourth proportional to 2,867,795.80, 4,301,693.70 and 1,972,000.60 is: 2,958,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,795.80 : 4,301,693.70 = 1,972,000.60 : x
  2. Step 2: Convert to fraction form
    2,867,795.80/4,301,693.70 = 1,972,000.60/x
  3. Step 3: Cross multiply
    2,867,795.80x = 4,301,693.70 × 1,972,000.60
  4. Step 4: Simplify right side
    2,867,795.80x = 8,482,942,557,416.22
  5. Step 5: Solve for x
    x = 8,482,942,557,416.22/2,867,795.80
  6. Step 6: Final answer
    x = 2,958,000.90

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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.