Home / 2,180,648.36-3,009,294.90-1,213,757.84

Finding the Fourth Proportional to 2,180,648.36, 3,009,294.90 and 1,213,757.84

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Solution

The fourth proportional to 2,180,648.36, 3,009,294.90 and 1,213,757.84 is: 1,674,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,648.36 : 3,009,294.90 = 1,213,757.84 : x
  2. Step 2: Convert to fraction form
    2,180,648.36/3,009,294.90 = 1,213,757.84/x
  3. Step 3: Cross multiply
    2,180,648.36x = 3,009,294.90 × 1,213,757.84
  4. Step 4: Simplify right side
    2,180,648.36x = 3,652,555,277,747.02
  5. Step 5: Solve for x
    x = 3,652,555,277,747.02/2,180,648.36
  6. Step 6: Final answer
    x = 1,674,985.91

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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.