Home / 2,079,027.60-3,118,541.40-1,821,901.20

Finding the Fourth Proportional to 2,079,027.60, 3,118,541.40 and 1,821,901.20

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Solution

The fourth proportional to 2,079,027.60, 3,118,541.40 and 1,821,901.20 is: 2,732,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,027.60 : 3,118,541.40 = 1,821,901.20 : x
  2. Step 2: Convert to fraction form
    2,079,027.60/3,118,541.40 = 1,821,901.20/x
  3. Step 3: Cross multiply
    2,079,027.60x = 3,118,541.40 × 1,821,901.20
  4. Step 4: Simplify right side
    2,079,027.60x = 5,681,674,318,909.68
  5. Step 5: Solve for x
    x = 5,681,674,318,909.68/2,079,027.60
  6. Step 6: Final answer
    x = 2,732,851.80

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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.