Home / 1,980,047.30-2,732,466.39-1,074,629.30

Finding the Fourth Proportional to 1,980,047.30, 2,732,466.39 and 1,074,629.30

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Solution

The fourth proportional to 1,980,047.30, 2,732,466.39 and 1,074,629.30 is: 1,482,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,047.30 : 2,732,466.39 = 1,074,629.30 : x
  2. Step 2: Convert to fraction form
    1,980,047.30/2,732,466.39 = 1,074,629.30/x
  3. Step 3: Cross multiply
    1,980,047.30x = 2,732,466.39 × 1,074,629.30
  4. Step 4: Simplify right side
    1,980,047.30x = 2,936,388,453,855.87
  5. Step 5: Solve for x
    x = 2,936,388,453,855.87/1,980,047.30
  6. Step 6: Final answer
    x = 1,482,989.04

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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.