Home / 1,766,871.88-2,645,071.98-1,090,779.28

Finding the Fourth Proportional to 1,766,871.88, 2,645,071.98 and 1,090,779.28

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Solution

The fourth proportional to 1,766,871.88, 2,645,071.98 and 1,090,779.28 is: 1,632,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,871.88 : 2,645,071.98 = 1,090,779.28 : x
  2. Step 2: Convert to fraction form
    1,766,871.88/2,645,071.98 = 1,090,779.28/x
  3. Step 3: Cross multiply
    1,766,871.88x = 2,645,071.98 × 1,090,779.28
  4. Step 4: Simplify right side
    1,766,871.88x = 2,885,189,709,892.57
  5. Step 5: Solve for x
    x = 2,885,189,709,892.57/1,766,871.88
  6. Step 6: Final answer
    x = 1,632,936.57

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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.