Home / 3,383,721.60-5,075,812.80-987,561.60

Finding the Fourth Proportional to 3,383,721.60, 5,075,812.80 and 987,561.60

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Solution

The fourth proportional to 3,383,721.60, 5,075,812.80 and 987,561.60 is: 1,481,409.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383,721.60 : 5,075,812.80 = 987,561.60 : x
  2. Step 2: Convert to fraction form
    3,383,721.60/5,075,812.80 = 987,561.60/x
  3. Step 3: Cross multiply
    3,383,721.60x = 5,075,812.80 × 987,561.60
  4. Step 4: Simplify right side
    3,383,721.60x = 5,012,677,810,068.48
  5. Step 5: Solve for x
    x = 5,012,677,810,068.48/3,383,721.60
  6. Step 6: Final answer
    x = 1,481,409.64

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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.