Home / 1,909,386.80-2,864,080.20-1,649,571.20

Finding the Fourth Proportional to 1,909,386.80, 2,864,080.20 and 1,649,571.20

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Solution

The fourth proportional to 1,909,386.80, 2,864,080.20 and 1,649,571.20 is: 2,474,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,386.80 : 2,864,080.20 = 1,649,571.20 : x
  2. Step 2: Convert to fraction form
    1,909,386.80/2,864,080.20 = 1,649,571.20/x
  3. Step 3: Cross multiply
    1,909,386.80x = 2,864,080.20 × 1,649,571.20
  4. Step 4: Simplify right side
    1,909,386.80x = 4,724,504,212,410.24
  5. Step 5: Solve for x
    x = 4,724,504,212,410.24/1,909,386.80
  6. Step 6: Final answer
    x = 2,474,356.80

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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.