Home / 2,819,491.08-3,890,887.98-1,530,331.40

Finding the Fourth Proportional to 2,819,491.08, 3,890,887.98 and 1,530,331.40

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Solution

The fourth proportional to 2,819,491.08, 3,890,887.98 and 1,530,331.40 is: 2,111,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,491.08 : 3,890,887.98 = 1,530,331.40 : x
  2. Step 2: Convert to fraction form
    2,819,491.08/3,890,887.98 = 1,530,331.40/x
  3. Step 3: Cross multiply
    2,819,491.08x = 3,890,887.98 × 1,530,331.40
  4. Step 4: Simplify right side
    2,819,491.08x = 5,954,348,049,676.57
  5. Step 5: Solve for x
    x = 5,954,348,049,676.57/2,819,491.08
  6. Step 6: Final answer
    x = 2,111,852.06

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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.