Home / 1,940,906.42-2,911,705.30-661,442.98

Finding the Fourth Proportional to 1,940,906.42, 2,911,705.30 and 661,442.98

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Solution

The fourth proportional to 1,940,906.42, 2,911,705.30 and 661,442.98 is: 992,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,906.42 : 2,911,705.30 = 661,442.98 : x
  2. Step 2: Convert to fraction form
    1,940,906.42/2,911,705.30 = 661,442.98/x
  3. Step 3: Cross multiply
    1,940,906.42x = 2,911,705.30 × 661,442.98
  4. Step 4: Simplify right side
    1,940,906.42x = 1,925,927,030,513.79
  5. Step 5: Solve for x
    x = 1,925,927,030,513.79/1,940,906.42
  6. Step 6: Final answer
    x = 992,282.27

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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.