Home / 3,117,639-4,662,948.78-1,835,190.84

Finding the Fourth Proportional to 3,117,639, 4,662,948.78 and 1,835,190.84

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Solution

The fourth proportional to 3,117,639, 4,662,948.78 and 1,835,190.84 is: 2,744,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,639 : 4,662,948.78 = 1,835,190.84 : x
  2. Step 2: Convert to fraction form
    3,117,639/4,662,948.78 = 1,835,190.84/x
  3. Step 3: Cross multiply
    3,117,639x = 4,662,948.78 × 1,835,190.84
  4. Step 4: Simplify right side
    3,117,639x = 8,557,400,888,445.18
  5. Step 5: Solve for x
    x = 8,557,400,888,445.18/3,117,639
  6. Step 6: Final answer
    x = 2,744,833.80

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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.