Home / 5,228,814.07-7,215,938.45-2,905,804.51

Finding the Fourth Proportional to 5,228,814.07, 7,215,938.45 and 2,905,804.51

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Solution

The fourth proportional to 5,228,814.07, 7,215,938.45 and 2,905,804.51 is: 4,010,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,814.07 : 7,215,938.45 = 2,905,804.51 : x
  2. Step 2: Convert to fraction form
    5,228,814.07/7,215,938.45 = 2,905,804.51/x
  3. Step 3: Cross multiply
    5,228,814.07x = 7,215,938.45 × 2,905,804.51
  4. Step 4: Simplify right side
    5,228,814.07x = 20,968,106,491,892.41
  5. Step 5: Solve for x
    x = 20,968,106,491,892.41/5,228,814.07
  6. Step 6: Final answer
    x = 4,010,107.49

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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.