Home / 2,100,047.40-3,152,403.90-1,302,229.80

Finding the Fourth Proportional to 2,100,047.40, 3,152,403.90 and 1,302,229.80

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Solution

The fourth proportional to 2,100,047.40, 3,152,403.90 and 1,302,229.80 is: 1,954,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,047.40 : 3,152,403.90 = 1,302,229.80 : x
  2. Step 2: Convert to fraction form
    2,100,047.40/3,152,403.90 = 1,302,229.80/x
  3. Step 3: Cross multiply
    2,100,047.40x = 3,152,403.90 × 1,302,229.80
  4. Step 4: Simplify right side
    2,100,047.40x = 4,105,154,300,216.22
  5. Step 5: Solve for x
    x = 4,105,154,300,216.22/2,100,047.40
  6. Step 6: Final answer
    x = 1,954,791.26

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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.