Home / 3,219,246.90-4,821,871.95-1,954,869.30

Finding the Fourth Proportional to 3,219,246.90, 4,821,871.95 and 1,954,869.30

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Solution

The fourth proportional to 3,219,246.90, 4,821,871.95 and 1,954,869.30 is: 2,928,054.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,246.90 : 4,821,871.95 = 1,954,869.30 : x
  2. Step 2: Convert to fraction form
    3,219,246.90/4,821,871.95 = 1,954,869.30/x
  3. Step 3: Cross multiply
    3,219,246.90x = 4,821,871.95 × 1,954,869.30
  4. Step 4: Simplify right side
    3,219,246.90x = 9,426,129,443,586.14
  5. Step 5: Solve for x
    x = 9,426,129,443,586.14/3,219,246.90
  6. Step 6: Final answer
    x = 2,928,054.21

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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.