Home / 2,939,518.22-4,407,561.20-1,140,299.28

Finding the Fourth Proportional to 2,939,518.22, 4,407,561.20 and 1,140,299.28

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Solution

The fourth proportional to 2,939,518.22, 4,407,561.20 and 1,140,299.28 is: 1,709,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939,518.22 : 4,407,561.20 = 1,140,299.28 : x
  2. Step 2: Convert to fraction form
    2,939,518.22/4,407,561.20 = 1,140,299.28/x
  3. Step 3: Cross multiply
    2,939,518.22x = 4,407,561.20 × 1,140,299.28
  4. Step 4: Simplify right side
    2,939,518.22x = 5,025,938,862,915.94
  5. Step 5: Solve for x
    x = 5,025,938,862,915.94/2,939,518.22
  6. Step 6: Final answer
    x = 1,709,783.20

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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.