Home / 2,819,475.20-3,890,771.47-1,530,287.93

Finding the Fourth Proportional to 2,819,475.20, 3,890,771.47 and 1,530,287.93

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Solution

The fourth proportional to 2,819,475.20, 3,890,771.47 and 1,530,287.93 is: 2,111,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,475.20 : 3,890,771.47 = 1,530,287.93 : x
  2. Step 2: Convert to fraction form
    2,819,475.20/3,890,771.47 = 1,530,287.93/x
  3. Step 3: Cross multiply
    2,819,475.20x = 3,890,771.47 × 1,530,287.93
  4. Step 4: Simplify right side
    2,819,475.20x = 5,954,000,618,929.36
  5. Step 5: Solve for x
    x = 5,954,000,618,929.36/2,819,475.20
  6. Step 6: Final answer
    x = 2,111,740.73

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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.