Home / 1,969,969.20-2,954,428.38-549,775.68

Finding the Fourth Proportional to 1,969,969.20, 2,954,428.38 and 549,775.68

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Solution

The fourth proportional to 1,969,969.20, 2,954,428.38 and 549,775.68 is: 824,516.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,969.20 : 2,954,428.38 = 549,775.68 : x
  2. Step 2: Convert to fraction form
    1,969,969.20/2,954,428.38 = 549,775.68/x
  3. Step 3: Cross multiply
    1,969,969.20x = 2,954,428.38 × 549,775.68
  4. Step 4: Simplify right side
    1,969,969.20x = 1,624,272,871,625.80
  5. Step 5: Solve for x
    x = 1,624,272,871,625.80/1,969,969.20
  6. Step 6: Final answer
    x = 824,516.89

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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.