Home / 1,985,600.96-2,955,943.84-1,973,791.20

Finding the Fourth Proportional to 1,985,600.96, 2,955,943.84 and 1,973,791.20

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Solution

The fourth proportional to 1,985,600.96, 2,955,943.84 and 1,973,791.20 is: 2,938,362.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,600.96 : 2,955,943.84 = 1,973,791.20 : x
  2. Step 2: Convert to fraction form
    1,985,600.96/2,955,943.84 = 1,973,791.20/x
  3. Step 3: Cross multiply
    1,985,600.96x = 2,955,943.84 × 1,973,791.20
  4. Step 4: Simplify right side
    1,985,600.96x = 5,834,415,939,086.21
  5. Step 5: Solve for x
    x = 5,834,415,939,086.21/1,985,600.96
  6. Step 6: Final answer
    x = 2,938,362.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.