Home / 1,890,188.34-2,834,895.87-541,989.78

Finding the Fourth Proportional to 1,890,188.34, 2,834,895.87 and 541,989.78

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Solution

The fourth proportional to 1,890,188.34, 2,834,895.87 and 541,989.78 is: 812,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,188.34 : 2,834,895.87 = 541,989.78 : x
  2. Step 2: Convert to fraction form
    1,890,188.34/2,834,895.87 = 541,989.78/x
  3. Step 3: Cross multiply
    1,890,188.34x = 2,834,895.87 × 541,989.78
  4. Step 4: Simplify right side
    1,890,188.34x = 1,536,484,588,904.21
  5. Step 5: Solve for x
    x = 1,536,484,588,904.21/1,890,188.34
  6. Step 6: Final answer
    x = 812,873.81

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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.