Home / 5,202,032.09-7,178,642.15-2,878,784.82

Finding the Fourth Proportional to 5,202,032.09, 7,178,642.15 and 2,878,784.82

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Solution

The fourth proportional to 5,202,032.09, 7,178,642.15 and 2,878,784.82 is: 3,972,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202,032.09 : 7,178,642.15 = 2,878,784.82 : x
  2. Step 2: Convert to fraction form
    5,202,032.09/7,178,642.15 = 2,878,784.82/x
  3. Step 3: Cross multiply
    5,202,032.09x = 7,178,642.15 × 2,878,784.82
  4. Step 4: Simplify right side
    5,202,032.09x = 20,665,766,035,238.24
  5. Step 5: Solve for x
    x = 20,665,766,035,238.24/5,202,032.09
  6. Step 6: Final answer
    x = 3,972,633.33

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1.5x scale

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.