Home / 2,767,902.60-4,154,964.30-2,139,601.80

Finding the Fourth Proportional to 2,767,902.60, 4,154,964.30 and 2,139,601.80

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Solution

The fourth proportional to 2,767,902.60, 4,154,964.30 and 2,139,601.80 is: 3,211,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,902.60 : 4,154,964.30 = 2,139,601.80 : x
  2. Step 2: Convert to fraction form
    2,767,902.60/4,154,964.30 = 2,139,601.80/x
  3. Step 3: Cross multiply
    2,767,902.60x = 4,154,964.30 × 2,139,601.80
  4. Step 4: Simplify right side
    2,767,902.60x = 8,889,969,095,215.74
  5. Step 5: Solve for x
    x = 8,889,969,095,215.74/2,767,902.60
  6. Step 6: Final answer
    x = 3,211,807.05

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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.