Home / 1,796,321.81-2,695,222.65-1,318,987.19

Finding the Fourth Proportional to 1,796,321.81, 2,695,222.65 and 1,318,987.19

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Solution

The fourth proportional to 1,796,321.81, 2,695,222.65 and 1,318,987.19 is: 1,979,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,321.81 : 2,695,222.65 = 1,318,987.19 : x
  2. Step 2: Convert to fraction form
    1,796,321.81/2,695,222.65 = 1,318,987.19/x
  3. Step 3: Cross multiply
    1,796,321.81x = 2,695,222.65 × 1,318,987.19
  4. Step 4: Simplify right side
    1,796,321.81x = 3,554,964,161,232.11
  5. Step 5: Solve for x
    x = 3,554,964,161,232.11/1,796,321.81
  6. Step 6: Final answer
    x = 1,979,024.10

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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.