Home / 5,478,289.60-8,210,704.08-3,077,086.72

Finding the Fourth Proportional to 5,478,289.60, 8,210,704.08 and 3,077,086.72

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Solution

The fourth proportional to 5,478,289.60, 8,210,704.08 and 3,077,086.72 is: 4,611,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,289.60 : 8,210,704.08 = 3,077,086.72 : x
  2. Step 2: Convert to fraction form
    5,478,289.60/8,210,704.08 = 3,077,086.72/x
  3. Step 3: Cross multiply
    5,478,289.60x = 8,210,704.08 × 3,077,086.72
  4. Step 4: Simplify right side
    5,478,289.60x = 25,265,048,486,417.82
  5. Step 5: Solve for x
    x = 25,265,048,486,417.82/5,478,289.60
  6. Step 6: Final answer
    x = 4,611,849.74

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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.