Home / 1,818,866.95-2,727,549.75-620,885.86

Finding the Fourth Proportional to 1,818,866.95, 2,727,549.75 and 620,885.86

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Solution

The fourth proportional to 1,818,866.95, 2,727,549.75 and 620,885.86 is: 931,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,866.95 : 2,727,549.75 = 620,885.86 : x
  2. Step 2: Convert to fraction form
    1,818,866.95/2,727,549.75 = 620,885.86/x
  3. Step 3: Cross multiply
    1,818,866.95x = 2,727,549.75 × 620,885.86
  4. Step 4: Simplify right side
    1,818,866.95x = 1,693,497,072,221.54
  5. Step 5: Solve for x
    x = 1,693,497,072,221.54/1,818,866.95
  6. Step 6: Final answer
    x = 931,072.54

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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.