Home / 2,079,041.80-3,118,271.10-659,241.40

Finding the Fourth Proportional to 2,079,041.80, 3,118,271.10 and 659,241.40

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Solution

The fourth proportional to 2,079,041.80, 3,118,271.10 and 659,241.40 is: 988,769.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,041.80 : 3,118,271.10 = 659,241.40 : x
  2. Step 2: Convert to fraction form
    2,079,041.80/3,118,271.10 = 659,241.40/x
  3. Step 3: Cross multiply
    2,079,041.80x = 3,118,271.10 × 659,241.40
  4. Step 4: Simplify right side
    2,079,041.80x = 2,055,693,405,543.54
  5. Step 5: Solve for x
    x = 2,055,693,405,543.54/2,079,041.80
  6. Step 6: Final answer
    x = 988,769.64

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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.