Home / 2,426,296.40-3,640,222.20-1,628,478.80

Finding the Fourth Proportional to 2,426,296.40, 3,640,222.20 and 1,628,478.80

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Solution

The fourth proportional to 2,426,296.40, 3,640,222.20 and 1,628,478.80 is: 2,443,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426,296.40 : 3,640,222.20 = 1,628,478.80 : x
  2. Step 2: Convert to fraction form
    2,426,296.40/3,640,222.20 = 1,628,478.80/x
  3. Step 3: Cross multiply
    2,426,296.40x = 3,640,222.20 × 1,628,478.80
  4. Step 4: Simplify right side
    2,426,296.40x = 5,928,024,679,989.36
  5. Step 5: Solve for x
    x = 5,928,024,679,989.36/2,426,296.40
  6. Step 6: Final answer
    x = 2,443,240.11

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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.