Home / 2,167,386.28-2,990,861.22-1,200,459.04

Finding the Fourth Proportional to 2,167,386.28, 2,990,861.22 and 1,200,459.04

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Solution

The fourth proportional to 2,167,386.28, 2,990,861.22 and 1,200,459.04 is: 1,656,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,386.28 : 2,990,861.22 = 1,200,459.04 : x
  2. Step 2: Convert to fraction form
    2,167,386.28/2,990,861.22 = 1,200,459.04/x
  3. Step 3: Cross multiply
    2,167,386.28x = 2,990,861.22 × 1,200,459.04
  4. Step 4: Simplify right side
    2,167,386.28x = 3,590,406,388,934.43
  5. Step 5: Solve for x
    x = 3,590,406,388,934.43/2,167,386.28
  6. Step 6: Final answer
    x = 1,656,560.45

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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.