Home / 2,808,072.40-4,212,108.60-1,388,347.60

Finding the Fourth Proportional to 2,808,072.40, 4,212,108.60 and 1,388,347.60

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Solution

The fourth proportional to 2,808,072.40, 4,212,108.60 and 1,388,347.60 is: 2,082,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,072.40 : 4,212,108.60 = 1,388,347.60 : x
  2. Step 2: Convert to fraction form
    2,808,072.40/4,212,108.60 = 1,388,347.60/x
  3. Step 3: Cross multiply
    2,808,072.40x = 4,212,108.60 × 1,388,347.60
  4. Step 4: Simplify right side
    2,808,072.40x = 5,847,870,865,749.36
  5. Step 5: Solve for x
    x = 5,847,870,865,749.36/2,808,072.40
  6. Step 6: Final answer
    x = 2,082,521.40

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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.