Home / 1,581,408.49-2,180,712.54-1,352,722.79

Finding the Fourth Proportional to 1,581,408.49, 2,180,712.54 and 1,352,722.79

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Solution

The fourth proportional to 1,581,408.49, 2,180,712.54 and 1,352,722.79 is: 1,865,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,408.49 : 2,180,712.54 = 1,352,722.79 : x
  2. Step 2: Convert to fraction form
    1,581,408.49/2,180,712.54 = 1,352,722.79/x
  3. Step 3: Cross multiply
    1,581,408.49x = 2,180,712.54 × 1,352,722.79
  4. Step 4: Simplify right side
    1,581,408.49x = 2,949,899,551,296.79
  5. Step 5: Solve for x
    x = 2,949,899,551,296.79/1,581,408.49
  6. Step 6: Final answer
    x = 1,865,362.16

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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.