Home / 2,819,381.58-3,890,750.29-1,530,222.12

Finding the Fourth Proportional to 2,819,381.58, 3,890,750.29 and 1,530,222.12

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Solution

The fourth proportional to 2,819,381.58, 3,890,750.29 and 1,530,222.12 is: 2,111,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,381.58 : 3,890,750.29 = 1,530,222.12 : x
  2. Step 2: Convert to fraction form
    2,819,381.58/3,890,750.29 = 1,530,222.12/x
  3. Step 3: Cross multiply
    2,819,381.58x = 3,890,750.29 × 1,530,222.12
  4. Step 4: Simplify right side
    2,819,381.58x = 5,953,712,153,328.86
  5. Step 5: Solve for x
    x = 5,953,712,153,328.86/2,819,381.58
  6. Step 6: Final answer
    x = 2,111,708.54

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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.