Home / 1,938,331.63-2,674,897.77-1,078,873.44

Finding the Fourth Proportional to 1,938,331.63, 2,674,897.77 and 1,078,873.44

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Solution

The fourth proportional to 1,938,331.63, 2,674,897.77 and 1,078,873.44 is: 1,488,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,331.63 : 2,674,897.77 = 1,078,873.44 : x
  2. Step 2: Convert to fraction form
    1,938,331.63/2,674,897.77 = 1,078,873.44/x
  3. Step 3: Cross multiply
    1,938,331.63x = 2,674,897.77 × 1,078,873.44
  4. Step 4: Simplify right side
    1,938,331.63x = 2,885,876,158,768.23
  5. Step 5: Solve for x
    x = 2,885,876,158,768.23/1,938,331.63
  6. Step 6: Final answer
    x = 1,488,845.41

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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.