Home / 1,938,040.25-2,674,495.55-1,078,803.49

Finding the Fourth Proportional to 1,938,040.25, 2,674,495.55 and 1,078,803.49

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Solution

The fourth proportional to 1,938,040.25, 2,674,495.55 and 1,078,803.49 is: 1,488,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,040.25 : 2,674,495.55 = 1,078,803.49 : x
  2. Step 2: Convert to fraction form
    1,938,040.25/2,674,495.55 = 1,078,803.49/x
  3. Step 3: Cross multiply
    1,938,040.25x = 2,674,495.55 × 1,078,803.49
  4. Step 4: Simplify right side
    1,938,040.25x = 2,885,255,114,562.97
  5. Step 5: Solve for x
    x = 2,885,255,114,562.97/1,938,040.25
  6. Step 6: Final answer
    x = 1,488,748.81

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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.