Home / 2,558,679.12-3,530,870.46-1,397,032.20

Finding the Fourth Proportional to 2,558,679.12, 3,530,870.46 and 1,397,032.20

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Solution

The fourth proportional to 2,558,679.12, 3,530,870.46 and 1,397,032.20 is: 1,927,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558,679.12 : 3,530,870.46 = 1,397,032.20 : x
  2. Step 2: Convert to fraction form
    2,558,679.12/3,530,870.46 = 1,397,032.20/x
  3. Step 3: Cross multiply
    2,558,679.12x = 3,530,870.46 × 1,397,032.20
  4. Step 4: Simplify right side
    2,558,679.12x = 4,932,739,726,648.81
  5. Step 5: Solve for x
    x = 4,932,739,726,648.81/2,558,679.12
  6. Step 6: Final answer
    x = 1,927,846.16

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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.