Home / 2,208,010.40-3,312,015.60-788,112.80

Finding the Fourth Proportional to 2,208,010.40, 3,312,015.60 and 788,112.80

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Solution

The fourth proportional to 2,208,010.40, 3,312,015.60 and 788,112.80 is: 1,182,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,010.40 : 3,312,015.60 = 788,112.80 : x
  2. Step 2: Convert to fraction form
    2,208,010.40/3,312,015.60 = 788,112.80/x
  3. Step 3: Cross multiply
    2,208,010.40x = 3,312,015.60 × 788,112.80
  4. Step 4: Simplify right side
    2,208,010.40x = 2,610,241,888,159.68
  5. Step 5: Solve for x
    x = 2,610,241,888,159.68/2,208,010.40
  6. Step 6: Final answer
    x = 1,182,169.20

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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.