Home / 1,939,954.89-2,677,138.48-1,124,631.20

Finding the Fourth Proportional to 1,939,954.89, 2,677,138.48 and 1,124,631.20

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Solution

The fourth proportional to 1,939,954.89, 2,677,138.48 and 1,124,631.20 is: 1,551,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,954.89 : 2,677,138.48 = 1,124,631.20 : x
  2. Step 2: Convert to fraction form
    1,939,954.89/2,677,138.48 = 1,124,631.20/x
  3. Step 3: Cross multiply
    1,939,954.89x = 2,677,138.48 × 1,124,631.20
  4. Step 4: Simplify right side
    1,939,954.89x = 3,010,793,473,492.91
  5. Step 5: Solve for x
    x = 3,010,793,473,492.91/1,939,954.89
  6. Step 6: Final answer
    x = 1,551,991.49

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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.