Home / 1,899,577.93-2,621,421.87-1,028,421.80

Finding the Fourth Proportional to 1,899,577.93, 2,621,421.87 and 1,028,421.80

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Solution

The fourth proportional to 1,899,577.93, 2,621,421.87 and 1,028,421.80 is: 1,419,224.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,577.93 : 2,621,421.87 = 1,028,421.80 : x
  2. Step 2: Convert to fraction form
    1,899,577.93/2,621,421.87 = 1,028,421.80/x
  3. Step 3: Cross multiply
    1,899,577.93x = 2,621,421.87 × 1,028,421.80
  4. Step 4: Simplify right side
    1,899,577.93x = 2,695,927,398,104.77
  5. Step 5: Solve for x
    x = 2,695,927,398,104.77/1,899,577.93
  6. Step 6: Final answer
    x = 1,419,224.43

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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.