Home / 2,107,161.13-2,907,882.30-1,140,291.41

Finding the Fourth Proportional to 2,107,161.13, 2,907,882.30 and 1,140,291.41

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Solution

The fourth proportional to 2,107,161.13, 2,907,882.30 and 1,140,291.41 is: 1,573,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,161.13 : 2,907,882.30 = 1,140,291.41 : x
  2. Step 2: Convert to fraction form
    2,107,161.13/2,907,882.30 = 1,140,291.41/x
  3. Step 3: Cross multiply
    2,107,161.13x = 2,907,882.30 × 1,140,291.41
  4. Step 4: Simplify right side
    2,107,161.13x = 3,315,833,207,981.04
  5. Step 5: Solve for x
    x = 3,315,833,207,981.04/2,107,161.13
  6. Step 6: Final answer
    x = 1,573,602.11

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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.