Home / 6,877,420.96-9,491,713.68-4,161,189.28

Finding the Fourth Proportional to 6,877,420.96, 9,491,713.68 and 4,161,189.28

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Solution

The fourth proportional to 6,877,420.96, 9,491,713.68 and 4,161,189.28 is: 5,742,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877,420.96 : 9,491,713.68 = 4,161,189.28 : x
  2. Step 2: Convert to fraction form
    6,877,420.96/9,491,713.68 = 4,161,189.28/x
  3. Step 3: Cross multiply
    6,877,420.96x = 9,491,713.68 × 4,161,189.28
  4. Step 4: Simplify right side
    6,877,420.96x = 39,496,817,214,045.34
  5. Step 5: Solve for x
    x = 39,496,817,214,045.34/6,877,420.96
  6. Step 6: Final answer
    x = 5,742,969.27

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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.