Home / 3,321,409.80-4,982,114.70-2,124,683.40

Finding the Fourth Proportional to 3,321,409.80, 4,982,114.70 and 2,124,683.40

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Solution

The fourth proportional to 3,321,409.80, 4,982,114.70 and 2,124,683.40 is: 3,187,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,409.80 : 4,982,114.70 = 2,124,683.40 : x
  2. Step 2: Convert to fraction form
    3,321,409.80/4,982,114.70 = 2,124,683.40/x
  3. Step 3: Cross multiply
    3,321,409.80x = 4,982,114.70 × 2,124,683.40
  4. Step 4: Simplify right side
    3,321,409.80x = 10,585,416,399,985.98
  5. Step 5: Solve for x
    x = 10,585,416,399,985.98/3,321,409.80
  6. Step 6: Final answer
    x = 3,187,025.10

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1.5x scale

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.