Home / 4,681,688.20-7,022,532.30-1,689,969.80

Finding the Fourth Proportional to 4,681,688.20, 7,022,532.30 and 1,689,969.80

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Solution

The fourth proportional to 4,681,688.20, 7,022,532.30 and 1,689,969.80 is: 2,534,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681,688.20 : 7,022,532.30 = 1,689,969.80 : x
  2. Step 2: Convert to fraction form
    4,681,688.20/7,022,532.30 = 1,689,969.80/x
  3. Step 3: Cross multiply
    4,681,688.20x = 7,022,532.30 × 1,689,969.80
  4. Step 4: Simplify right side
    4,681,688.20x = 11,867,867,506,524.54
  5. Step 5: Solve for x
    x = 11,867,867,506,524.54/4,681,688.20
  6. Step 6: Final answer
    x = 2,534,954.70

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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.