Home / 1,938,034.50-2,674,487.61-1,078,797.74

Finding the Fourth Proportional to 1,938,034.50, 2,674,487.61 and 1,078,797.74

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Solution

The fourth proportional to 1,938,034.50, 2,674,487.61 and 1,078,797.74 is: 1,488,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,034.50 : 2,674,487.61 = 1,078,797.74 : x
  2. Step 2: Convert to fraction form
    1,938,034.50/2,674,487.61 = 1,078,797.74/x
  3. Step 3: Cross multiply
    1,938,034.50x = 2,674,487.61 × 1,078,797.74
  4. Step 4: Simplify right side
    1,938,034.50x = 2,885,231,189,326.00
  5. Step 5: Solve for x
    x = 2,885,231,189,326.00/1,938,034.50
  6. Step 6: Final answer
    x = 1,488,740.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.