Home / 1,302,074.20-1,953,111.30-1,092,122.20

Finding the Fourth Proportional to 1,302,074.20, 1,953,111.30 and 1,092,122.20

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Solution

The fourth proportional to 1,302,074.20, 1,953,111.30 and 1,092,122.20 is: 1,638,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,074.20 : 1,953,111.30 = 1,092,122.20 : x
  2. Step 2: Convert to fraction form
    1,302,074.20/1,953,111.30 = 1,092,122.20/x
  3. Step 3: Cross multiply
    1,302,074.20x = 1,953,111.30 × 1,092,122.20
  4. Step 4: Simplify right side
    1,302,074.20x = 2,133,036,209,800.86
  5. Step 5: Solve for x
    x = 2,133,036,209,800.86/1,302,074.20
  6. Step 6: Final answer
    x = 1,638,183.30

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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.