Home / 2,626,539.40-3,939,809.10-1,028,571.40

Finding the Fourth Proportional to 2,626,539.40, 3,939,809.10 and 1,028,571.40

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Solution

The fourth proportional to 2,626,539.40, 3,939,809.10 and 1,028,571.40 is: 1,542,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,539.40 : 3,939,809.10 = 1,028,571.40 : x
  2. Step 2: Convert to fraction form
    2,626,539.40/3,939,809.10 = 1,028,571.40/x
  3. Step 3: Cross multiply
    2,626,539.40x = 3,939,809.10 × 1,028,571.40
  4. Step 4: Simplify right side
    2,626,539.40x = 4,052,374,961,719.74
  5. Step 5: Solve for x
    x = 4,052,374,961,719.74/2,626,539.40
  6. Step 6: Final answer
    x = 1,542,857.10

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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.