Home / 3,548,708.81-5,323,105.88-989,768.00

Finding the Fourth Proportional to 3,548,708.81, 5,323,105.88 and 989,768.00

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Solution

The fourth proportional to 3,548,708.81, 5,323,105.88 and 989,768.00 is: 1,484,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548,708.81 : 5,323,105.88 = 989,768.00 : x
  2. Step 2: Convert to fraction form
    3,548,708.81/5,323,105.88 = 989,768.00/x
  3. Step 3: Cross multiply
    3,548,708.81x = 5,323,105.88 × 989,768.00
  4. Step 4: Simplify right side
    3,548,708.81x = 5,268,639,872,706.39
  5. Step 5: Solve for x
    x = 5,268,639,872,706.39/3,548,708.81
  6. Step 6: Final answer
    x = 1,484,663.90

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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.