Home / 4,089,820.60-6,134,730.90-2,578,166.20

Finding the Fourth Proportional to 4,089,820.60, 6,134,730.90 and 2,578,166.20

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Solution

The fourth proportional to 4,089,820.60, 6,134,730.90 and 2,578,166.20 is: 3,867,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089,820.60 : 6,134,730.90 = 2,578,166.20 : x
  2. Step 2: Convert to fraction form
    4,089,820.60/6,134,730.90 = 2,578,166.20/x
  3. Step 3: Cross multiply
    4,089,820.60x = 6,134,730.90 × 2,578,166.20
  4. Step 4: Simplify right side
    4,089,820.60x = 15,816,355,852,475.58
  5. Step 5: Solve for x
    x = 15,816,355,852,475.58/4,089,820.60
  6. Step 6: Final answer
    x = 3,867,249.30

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1.5x scale

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.