Home / 6,939,904.89-9,577,368.01-3,842,428.19

Finding the Fourth Proportional to 6,939,904.89, 9,577,368.01 and 3,842,428.19

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Solution

The fourth proportional to 6,939,904.89, 9,577,368.01 and 3,842,428.19 is: 5,302,716.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939,904.89 : 9,577,368.01 = 3,842,428.19 : x
  2. Step 2: Convert to fraction form
    6,939,904.89/9,577,368.01 = 3,842,428.19/x
  3. Step 3: Cross multiply
    6,939,904.89x = 9,577,368.01 × 3,842,428.19
  4. Step 4: Simplify right side
    6,939,904.89x = 36,800,348,784,544.40
  5. Step 5: Solve for x
    x = 36,800,348,784,544.40/6,939,904.89
  6. Step 6: Final answer
    x = 5,302,716.59

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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.