Home / 6,619,902.77-9,929,839.56-1,762,210.36

Finding the Fourth Proportional to 6,619,902.77, 9,929,839.56 and 1,762,210.36

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Solution

The fourth proportional to 6,619,902.77, 9,929,839.56 and 1,762,210.36 is: 2,643,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,902.77 : 9,929,839.56 = 1,762,210.36 : x
  2. Step 2: Convert to fraction form
    6,619,902.77/9,929,839.56 = 1,762,210.36/x
  3. Step 3: Cross multiply
    6,619,902.77x = 9,929,839.56 × 1,762,210.36
  4. Step 4: Simplify right side
    6,619,902.77x = 17,498,466,133,558.61
  5. Step 5: Solve for x
    x = 17,498,466,133,558.61/6,619,902.77
  6. Step 6: Final answer
    x = 2,643,311.65

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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.