Home / 2,767,272.60-4,154,019.30-2,138,971.80

Finding the Fourth Proportional to 2,767,272.60, 4,154,019.30 and 2,138,971.80

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Solution

The fourth proportional to 2,767,272.60, 4,154,019.30 and 2,138,971.80 is: 3,210,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,272.60 : 4,154,019.30 = 2,138,971.80 : x
  2. Step 2: Convert to fraction form
    2,767,272.60/4,154,019.30 = 2,138,971.80/x
  3. Step 3: Cross multiply
    2,767,272.60x = 4,154,019.30 × 2,138,971.80
  4. Step 4: Simplify right side
    2,767,272.60x = 8,885,330,139,355.74
  5. Step 5: Solve for x
    x = 8,885,330,139,355.74/2,767,272.60
  6. Step 6: Final answer
    x = 3,210,861.89

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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.