Home / 3,651,817.20-5,039,655.96-2,020,196.40

Finding the Fourth Proportional to 3,651,817.20, 5,039,655.96 and 2,020,196.40

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Solution

The fourth proportional to 3,651,817.20, 5,039,655.96 and 2,020,196.40 is: 2,787,953.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651,817.20 : 5,039,655.96 = 2,020,196.40 : x
  2. Step 2: Convert to fraction form
    3,651,817.20/5,039,655.96 = 2,020,196.40/x
  3. Step 3: Cross multiply
    3,651,817.20x = 5,039,655.96 × 2,020,196.40
  4. Step 4: Simplify right side
    3,651,817.20x = 10,181,094,827,630.54
  5. Step 5: Solve for x
    x = 10,181,094,827,630.54/3,651,817.20
  6. Step 6: Final answer
    x = 2,787,953.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.