Home / 6,619,901.92-9,929,838.30-1,762,209.51

Finding the Fourth Proportional to 6,619,901.92, 9,929,838.30 and 1,762,209.51

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Solution

The fourth proportional to 6,619,901.92, 9,929,838.30 and 1,762,209.51 is: 2,643,310.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,901.92 : 9,929,838.30 = 1,762,209.51 : x
  2. Step 2: Convert to fraction form
    6,619,901.92/9,929,838.30 = 1,762,209.51/x
  3. Step 3: Cross multiply
    6,619,901.92x = 9,929,838.30 × 1,762,209.51
  4. Step 4: Simplify right side
    6,619,901.92x = 17,498,455,441,177.06
  5. Step 5: Solve for x
    x = 17,498,455,441,177.06/6,619,901.92
  6. Step 6: Final answer
    x = 2,643,310.38

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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.