Home / 6,619,871.20-9,929,806.80-2,360,178.40

Finding the Fourth Proportional to 6,619,871.20, 9,929,806.80 and 2,360,178.40

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Solution

The fourth proportional to 6,619,871.20, 9,929,806.80 and 2,360,178.40 is: 3,540,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,871.20 : 9,929,806.80 = 2,360,178.40 : x
  2. Step 2: Convert to fraction form
    6,619,871.20/9,929,806.80 = 2,360,178.40/x
  3. Step 3: Cross multiply
    6,619,871.20x = 9,929,806.80 × 2,360,178.40
  4. Step 4: Simplify right side
    6,619,871.20x = 23,436,115,525,533.12
  5. Step 5: Solve for x
    x = 23,436,115,525,533.12/6,619,871.20
  6. Step 6: Final answer
    x = 3,540,267.60

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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.