Home / 1,921,322.23-2,882,980.25-856,116.54

Finding the Fourth Proportional to 1,921,322.23, 2,882,980.25 and 856,116.54

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Solution

The fourth proportional to 1,921,322.23, 2,882,980.25 and 856,116.54 is: 1,284,619.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,322.23 : 2,882,980.25 = 856,116.54 : x
  2. Step 2: Convert to fraction form
    1,921,322.23/2,882,980.25 = 856,116.54/x
  3. Step 3: Cross multiply
    1,921,322.23x = 2,882,980.25 × 856,116.54
  4. Step 4: Simplify right side
    1,921,322.23x = 2,468,167,076,518.34
  5. Step 5: Solve for x
    x = 2,468,167,076,518.34/1,921,322.23
  6. Step 6: Final answer
    x = 1,284,619.02

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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.