Home / 2,663,822.40-3,991,140.90-1,240,960.20

Finding the Fourth Proportional to 2,663,822.40, 3,991,140.90 and 1,240,960.20

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Solution

The fourth proportional to 2,663,822.40, 3,991,140.90 and 1,240,960.20 is: 1,859,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,822.40 : 3,991,140.90 = 1,240,960.20 : x
  2. Step 2: Convert to fraction form
    2,663,822.40/3,991,140.90 = 1,240,960.20/x
  3. Step 3: Cross multiply
    2,663,822.40x = 3,991,140.90 × 1,240,960.20
  4. Step 4: Simplify right side
    2,663,822.40x = 4,952,847,009,492.18
  5. Step 5: Solve for x
    x = 4,952,847,009,492.18/2,663,822.40
  6. Step 6: Final answer
    x = 1,859,300.76

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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.