Home / 2,934,860.40-4,402,290.60-1,978,266.60

Finding the Fourth Proportional to 2,934,860.40, 4,402,290.60 and 1,978,266.60

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Solution

The fourth proportional to 2,934,860.40, 4,402,290.60 and 1,978,266.60 is: 2,967,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,860.40 : 4,402,290.60 = 1,978,266.60 : x
  2. Step 2: Convert to fraction form
    2,934,860.40/4,402,290.60 = 1,978,266.60/x
  3. Step 3: Cross multiply
    2,934,860.40x = 4,402,290.60 × 1,978,266.60
  4. Step 4: Simplify right side
    2,934,860.40x = 8,708,904,457,473.96
  5. Step 5: Solve for x
    x = 8,708,904,457,473.96/2,934,860.40
  6. Step 6: Final answer
    x = 2,967,399.90

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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.