Home / 3,619,128.60-5,428,304.10-959,736.60

Finding the Fourth Proportional to 3,619,128.60, 5,428,304.10 and 959,736.60

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Solution

The fourth proportional to 3,619,128.60, 5,428,304.10 and 959,736.60 is: 1,439,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,128.60 : 5,428,304.10 = 959,736.60 : x
  2. Step 2: Convert to fraction form
    3,619,128.60/5,428,304.10 = 959,736.60/x
  3. Step 3: Cross multiply
    3,619,128.60x = 5,428,304.10 × 959,736.60
  4. Step 4: Simplify right side
    3,619,128.60x = 5,209,742,120,700.06
  5. Step 5: Solve for x
    x = 5,209,742,120,700.06/3,619,128.60
  6. Step 6: Final answer
    x = 1,439,501.80

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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.