Home / 2,819,422.99-3,890,699.63-1,530,235.70

Finding the Fourth Proportional to 2,819,422.99, 3,890,699.63 and 1,530,235.70

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Solution

The fourth proportional to 2,819,422.99, 3,890,699.63 and 1,530,235.70 is: 2,111,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,422.99 : 3,890,699.63 = 1,530,235.70 : x
  2. Step 2: Convert to fraction form
    2,819,422.99/3,890,699.63 = 1,530,235.70/x
  3. Step 3: Cross multiply
    2,819,422.99x = 3,890,699.63 × 1,530,235.70
  4. Step 4: Simplify right side
    2,819,422.99x = 5,953,687,465,026.62
  5. Step 5: Solve for x
    x = 5,953,687,465,026.62/2,819,422.99
  6. Step 6: Final answer
    x = 2,111,668.76

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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.