Home / 2,208,022.40-3,312,033.60-788,124.80

Finding the Fourth Proportional to 2,208,022.40, 3,312,033.60 and 788,124.80

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Solution

The fourth proportional to 2,208,022.40, 3,312,033.60 and 788,124.80 is: 1,182,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,022.40 : 3,312,033.60 = 788,124.80 : x
  2. Step 2: Convert to fraction form
    2,208,022.40/3,312,033.60 = 788,124.80/x
  3. Step 3: Cross multiply
    2,208,022.40x = 3,312,033.60 × 788,124.80
  4. Step 4: Simplify right side
    2,208,022.40x = 2,610,295,818,593.28
  5. Step 5: Solve for x
    x = 2,610,295,818,593.28/2,208,022.40
  6. Step 6: Final answer
    x = 1,182,187.20

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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.