Home / 3,990,717.40-5,986,076.10-1,594,931.80

Finding the Fourth Proportional to 3,990,717.40, 5,986,076.10 and 1,594,931.80

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Solution

The fourth proportional to 3,990,717.40, 5,986,076.10 and 1,594,931.80 is: 2,392,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,717.40 : 5,986,076.10 = 1,594,931.80 : x
  2. Step 2: Convert to fraction form
    3,990,717.40/5,986,076.10 = 1,594,931.80/x
  3. Step 3: Cross multiply
    3,990,717.40x = 5,986,076.10 × 1,594,931.80
  4. Step 4: Simplify right side
    3,990,717.40x = 9,547,383,129,109.98
  5. Step 5: Solve for x
    x = 9,547,383,129,109.98/3,990,717.40
  6. Step 6: Final answer
    x = 2,392,397.70

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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.