Home / 2,175,010.40-3,256,064.40-1,616,520.80

Finding the Fourth Proportional to 2,175,010.40, 3,256,064.40 and 1,616,520.80

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Solution

The fourth proportional to 2,175,010.40, 3,256,064.40 and 1,616,520.80 is: 2,419,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,010.40 : 3,256,064.40 = 1,616,520.80 : x
  2. Step 2: Convert to fraction form
    2,175,010.40/3,256,064.40 = 1,616,520.80/x
  3. Step 3: Cross multiply
    2,175,010.40x = 3,256,064.40 × 1,616,520.80
  4. Step 4: Simplify right side
    2,175,010.40x = 5,263,495,828,739.52
  5. Step 5: Solve for x
    x = 5,263,495,828,739.52/2,175,010.40
  6. Step 6: Final answer
    x = 2,419,986.51

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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.