Home / 2,089,363.20-2,883,280-1,218,360.32

Finding the Fourth Proportional to 2,089,363.20, 2,883,280 and 1,218,360.32

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Solution

The fourth proportional to 2,089,363.20, 2,883,280 and 1,218,360.32 is: 1,681,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,363.20 : 2,883,280 = 1,218,360.32 : x
  2. Step 2: Convert to fraction form
    2,089,363.20/2,883,280 = 1,218,360.32/x
  3. Step 3: Cross multiply
    2,089,363.20x = 2,883,280 × 1,218,360.32
  4. Step 4: Simplify right side
    2,089,363.20x = 3,512,873,943,449.60
  5. Step 5: Solve for x
    x = 3,512,873,943,449.60/2,089,363.20
  6. Step 6: Final answer
    x = 1,681,313.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.