Home / 2,128,622.40-3,193,970.40-1,623,009.60

Finding the Fourth Proportional to 2,128,622.40, 3,193,970.40 and 1,623,009.60

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Solution

The fourth proportional to 2,128,622.40, 3,193,970.40 and 1,623,009.60 is: 2,435,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,622.40 : 3,193,970.40 = 1,623,009.60 : x
  2. Step 2: Convert to fraction form
    2,128,622.40/3,193,970.40 = 1,623,009.60/x
  3. Step 3: Cross multiply
    2,128,622.40x = 3,193,970.40 × 1,623,009.60
  4. Step 4: Simplify right side
    2,128,622.40x = 5,183,844,621,315.84
  5. Step 5: Solve for x
    x = 5,183,844,621,315.84/2,128,622.40
  6. Step 6: Final answer
    x = 2,435,304.93

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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.