Home / 2,777,998.40-4,163,887.20-1,580,494.40

Finding the Fourth Proportional to 2,777,998.40, 4,163,887.20 and 1,580,494.40

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Solution

The fourth proportional to 2,777,998.40, 4,163,887.20 and 1,580,494.40 is: 2,368,971.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,998.40 : 4,163,887.20 = 1,580,494.40 : x
  2. Step 2: Convert to fraction form
    2,777,998.40/4,163,887.20 = 1,580,494.40/x
  3. Step 3: Cross multiply
    2,777,998.40x = 4,163,887.20 × 1,580,494.40
  4. Step 4: Simplify right side
    2,777,998.40x = 6,581,000,401,831.68
  5. Step 5: Solve for x
    x = 6,581,000,401,831.68/2,777,998.40
  6. Step 6: Final answer
    x = 2,368,971.99

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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.