Home / 2,897,143.20-4,343,986.80-1,776,016.80

Finding the Fourth Proportional to 2,897,143.20, 4,343,986.80 and 1,776,016.80

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Solution

The fourth proportional to 2,897,143.20, 4,343,986.80 and 1,776,016.80 is: 2,662,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,143.20 : 4,343,986.80 = 1,776,016.80 : x
  2. Step 2: Convert to fraction form
    2,897,143.20/4,343,986.80 = 1,776,016.80/x
  3. Step 3: Cross multiply
    2,897,143.20x = 4,343,986.80 × 1,776,016.80
  4. Step 4: Simplify right side
    2,897,143.20x = 7,714,993,535,778.24
  5. Step 5: Solve for x
    x = 7,714,993,535,778.24/2,897,143.20
  6. Step 6: Final answer
    x = 2,662,965.90

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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.