Home / 2,819,172.40-3,890,459.87-1,530,012.76

Finding the Fourth Proportional to 2,819,172.40, 3,890,459.87 and 1,530,012.76

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Solution

The fourth proportional to 2,819,172.40, 3,890,459.87 and 1,530,012.76 is: 2,111,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,172.40 : 3,890,459.87 = 1,530,012.76 : x
  2. Step 2: Convert to fraction form
    2,819,172.40/3,890,459.87 = 1,530,012.76/x
  3. Step 3: Cross multiply
    2,819,172.40x = 3,890,459.87 × 1,530,012.76
  4. Step 4: Simplify right side
    2,819,172.40x = 5,952,453,243,367.94
  5. Step 5: Solve for x
    x = 5,952,453,243,367.94/2,819,172.40
  6. Step 6: Final answer
    x = 2,111,418.67

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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.