Home / 1,666,741.86-2,492,992.89-1,391,515.20

Finding the Fourth Proportional to 1,666,741.86, 2,492,992.89 and 1,391,515.20

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Solution

The fourth proportional to 1,666,741.86, 2,492,992.89 and 1,391,515.20 is: 2,081,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,741.86 : 2,492,992.89 = 1,391,515.20 : x
  2. Step 2: Convert to fraction form
    1,666,741.86/2,492,992.89 = 1,391,515.20/x
  3. Step 3: Cross multiply
    1,666,741.86x = 2,492,992.89 × 1,391,515.20
  4. Step 4: Simplify right side
    1,666,741.86x = 3,469,037,499,926.93
  5. Step 5: Solve for x
    x = 3,469,037,499,926.93/1,666,741.86
  6. Step 6: Final answer
    x = 2,081,328.60

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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.