Home / 2,679,439.60-4,012,938.60-2,617,231.60

Finding the Fourth Proportional to 2,679,439.60, 4,012,938.60 and 2,617,231.60

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Solution

The fourth proportional to 2,679,439.60, 4,012,938.60 and 2,617,231.60 is: 3,919,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,439.60 : 4,012,938.60 = 2,617,231.60 : x
  2. Step 2: Convert to fraction form
    2,679,439.60/4,012,938.60 = 2,617,231.60/x
  3. Step 3: Cross multiply
    2,679,439.60x = 4,012,938.60 × 2,617,231.60
  4. Step 4: Simplify right side
    2,679,439.60x = 10,502,789,712,779.76
  5. Step 5: Solve for x
    x = 10,502,789,712,779.76/2,679,439.60
  6. Step 6: Final answer
    x = 3,919,771.03

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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.