Home / 2,776,565.20-4,164,847.80-782,021.20

Finding the Fourth Proportional to 2,776,565.20, 4,164,847.80 and 782,021.20

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Solution

The fourth proportional to 2,776,565.20, 4,164,847.80 and 782,021.20 is: 1,173,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776,565.20 : 4,164,847.80 = 782,021.20 : x
  2. Step 2: Convert to fraction form
    2,776,565.20/4,164,847.80 = 782,021.20/x
  3. Step 3: Cross multiply
    2,776,565.20x = 4,164,847.80 × 782,021.20
  4. Step 4: Simplify right side
    2,776,565.20x = 3,256,999,274,373.36
  5. Step 5: Solve for x
    x = 3,256,999,274,373.36/2,776,565.20
  6. Step 6: Final answer
    x = 1,173,031.80

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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.