Home / 2,160,236.84-3,240,315.12-644,947.16

Finding the Fourth Proportional to 2,160,236.84, 3,240,315.12 and 644,947.16

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Solution

The fourth proportional to 2,160,236.84, 3,240,315.12 and 644,947.16 is: 967,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,236.84 : 3,240,315.12 = 644,947.16 : x
  2. Step 2: Convert to fraction form
    2,160,236.84/3,240,315.12 = 644,947.16/x
  3. Step 3: Cross multiply
    2,160,236.84x = 3,240,315.12 × 644,947.16
  4. Step 4: Simplify right side
    2,160,236.84x = 2,089,832,034,149.06
  5. Step 5: Solve for x
    x = 2,089,832,034,149.06/2,160,236.84
  6. Step 6: Final answer
    x = 967,408.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.