Home / 3,461,420.33-4,779,823.96-2,156,898.75

Finding the Fourth Proportional to 3,461,420.33, 4,779,823.96 and 2,156,898.75

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Solution

The fourth proportional to 3,461,420.33, 4,779,823.96 and 2,156,898.75 is: 2,978,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461,420.33 : 4,779,823.96 = 2,156,898.75 : x
  2. Step 2: Convert to fraction form
    3,461,420.33/4,779,823.96 = 2,156,898.75/x
  3. Step 3: Cross multiply
    3,461,420.33x = 4,779,823.96 × 2,156,898.75
  4. Step 4: Simplify right side
    3,461,420.33x = 10,309,596,324,544.05
  5. Step 5: Solve for x
    x = 10,309,596,324,544.05/3,461,420.33
  6. Step 6: Final answer
    x = 2,978,429.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.