Home / 2,689,009.60-4,032,736.80-982,955.20

Finding the Fourth Proportional to 2,689,009.60, 4,032,736.80 and 982,955.20

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Solution

The fourth proportional to 2,689,009.60, 4,032,736.80 and 982,955.20 is: 1,474,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,009.60 : 4,032,736.80 = 982,955.20 : x
  2. Step 2: Convert to fraction form
    2,689,009.60/4,032,736.80 = 982,955.20/x
  3. Step 3: Cross multiply
    2,689,009.60x = 4,032,736.80 × 982,955.20
  4. Step 4: Simplify right side
    2,689,009.60x = 3,963,999,607,791.36
  5. Step 5: Solve for x
    x = 3,963,999,607,791.36/2,689,009.60
  6. Step 6: Final answer
    x = 1,474,148.55

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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.