Home / 2,079,316.80-3,118,683.60-659,516.40

Finding the Fourth Proportional to 2,079,316.80, 3,118,683.60 and 659,516.40

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Solution

The fourth proportional to 2,079,316.80, 3,118,683.60 and 659,516.40 is: 989,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,316.80 : 3,118,683.60 = 659,516.40 : x
  2. Step 2: Convert to fraction form
    2,079,316.80/3,118,683.60 = 659,516.40/x
  3. Step 3: Cross multiply
    2,079,316.80x = 3,118,683.60 × 659,516.40
  4. Step 4: Simplify right side
    2,079,316.80x = 2,056,822,980,611.04
  5. Step 5: Solve for x
    x = 2,056,822,980,611.04/2,079,316.80
  6. Step 6: Final answer
    x = 989,182.11

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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.