Home / 1,940,908.42-2,911,708.30-661,444.98

Finding the Fourth Proportional to 1,940,908.42, 2,911,708.30 and 661,444.98

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Solution

The fourth proportional to 1,940,908.42, 2,911,708.30 and 661,444.98 is: 992,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,908.42 : 2,911,708.30 = 661,444.98 : x
  2. Step 2: Convert to fraction form
    1,940,908.42/2,911,708.30 = 661,444.98/x
  3. Step 3: Cross multiply
    1,940,908.42x = 2,911,708.30 × 661,444.98
  4. Step 4: Simplify right side
    1,940,908.42x = 1,925,934,838,259.33
  5. Step 5: Solve for x
    x = 1,925,934,838,259.33/1,940,908.42
  6. Step 6: Final answer
    x = 992,285.27

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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.