Home / 2,819,349.54-3,890,739.69-1,530,205.38

Finding the Fourth Proportional to 2,819,349.54, 3,890,739.69 and 1,530,205.38

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Solution

The fourth proportional to 2,819,349.54, 3,890,739.69 and 1,530,205.38 is: 2,111,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,349.54 : 3,890,739.69 = 1,530,205.38 : x
  2. Step 2: Convert to fraction form
    2,819,349.54/3,890,739.69 = 1,530,205.38/x
  3. Step 3: Cross multiply
    2,819,349.54x = 3,890,739.69 × 1,530,205.38
  4. Step 4: Simplify right side
    2,819,349.54x = 5,953,630,805,817.53
  5. Step 5: Solve for x
    x = 5,953,630,805,817.53/2,819,349.54
  6. Step 6: Final answer
    x = 2,111,703.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.