Home / 2,819,558.61-3,890,994.80-1,530,399.29

Finding the Fourth Proportional to 2,819,558.61, 3,890,994.80 and 1,530,399.29

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Solution

The fourth proportional to 2,819,558.61, 3,890,994.80 and 1,530,399.29 is: 2,111,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,558.61 : 3,890,994.80 = 1,530,399.29 : x
  2. Step 2: Convert to fraction form
    2,819,558.61/3,890,994.80 = 1,530,399.29/x
  3. Step 3: Cross multiply
    2,819,558.61x = 3,890,994.80 × 1,530,399.29
  4. Step 4: Simplify right side
    2,819,558.61x = 5,954,775,652,206.72
  5. Step 5: Solve for x
    x = 5,954,775,652,206.72/2,819,558.61
  6. Step 6: Final answer
    x = 2,111,953.14

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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.