Home / 1,440,093.80-2,157,030.30-1,191,261.80

Finding the Fourth Proportional to 1,440,093.80, 2,157,030.30 and 1,191,261.80

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Solution

The fourth proportional to 1,440,093.80, 2,157,030.30 and 1,191,261.80 is: 1,784,319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,093.80 : 2,157,030.30 = 1,191,261.80 : x
  2. Step 2: Convert to fraction form
    1,440,093.80/2,157,030.30 = 1,191,261.80/x
  3. Step 3: Cross multiply
    1,440,093.80x = 2,157,030.30 × 1,191,261.80
  4. Step 4: Simplify right side
    1,440,093.80x = 2,569,587,797,832.54
  5. Step 5: Solve for x
    x = 2,569,587,797,832.54/1,440,093.80
  6. Step 6: Final answer
    x = 1,784,319.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.