Home / 1,811,181.56-2,499,328.80-1,085,666.24

Finding the Fourth Proportional to 1,811,181.56, 2,499,328.80 and 1,085,666.24

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Solution

The fourth proportional to 1,811,181.56, 2,499,328.80 and 1,085,666.24 is: 1,498,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,181.56 : 2,499,328.80 = 1,085,666.24 : x
  2. Step 2: Convert to fraction form
    1,811,181.56/2,499,328.80 = 1,085,666.24/x
  3. Step 3: Cross multiply
    1,811,181.56x = 2,499,328.80 × 1,085,666.24
  4. Step 4: Simplify right side
    1,811,181.56x = 2,713,436,900,819.71
  5. Step 5: Solve for x
    x = 2,713,436,900,819.71/1,811,181.56
  6. Step 6: Final answer
    x = 1,498,158.42

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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.