Home / 1,720,801.80-2,581,202.70-1,090,427.40

Finding the Fourth Proportional to 1,720,801.80, 2,581,202.70 and 1,090,427.40

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Solution

The fourth proportional to 1,720,801.80, 2,581,202.70 and 1,090,427.40 is: 1,635,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,801.80 : 2,581,202.70 = 1,090,427.40 : x
  2. Step 2: Convert to fraction form
    1,720,801.80/2,581,202.70 = 1,090,427.40/x
  3. Step 3: Cross multiply
    1,720,801.80x = 2,581,202.70 × 1,090,427.40
  4. Step 4: Simplify right side
    1,720,801.80x = 2,814,614,149,033.98
  5. Step 5: Solve for x
    x = 2,814,614,149,033.98/1,720,801.80
  6. Step 6: Final answer
    x = 1,635,641.10

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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.