Home / 3,450,030.10-5,177,446.40-1,428,284.49

Finding the Fourth Proportional to 3,450,030.10, 5,177,446.40 and 1,428,284.49

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Solution

The fourth proportional to 3,450,030.10, 5,177,446.40 and 1,428,284.49 is: 2,143,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450,030.10 : 5,177,446.40 = 1,428,284.49 : x
  2. Step 2: Convert to fraction form
    3,450,030.10/5,177,446.40 = 1,428,284.49/x
  3. Step 3: Cross multiply
    3,450,030.10x = 5,177,446.40 × 1,428,284.49
  4. Step 4: Simplify right side
    3,450,030.10x = 7,394,866,390,926.34
  5. Step 5: Solve for x
    x = 7,394,866,390,926.34/3,450,030.10
  6. Step 6: Final answer
    x = 2,143,420.83

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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.