Home / 5,505,465.05-8,258,280.80-1,911,346.21

Finding the Fourth Proportional to 5,505,465.05, 8,258,280.80 and 1,911,346.21

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Solution

The fourth proportional to 5,505,465.05, 8,258,280.80 and 1,911,346.21 is: 2,867,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505,465.05 : 8,258,280.80 = 1,911,346.21 : x
  2. Step 2: Convert to fraction form
    5,505,465.05/8,258,280.80 = 1,911,346.21/x
  3. Step 3: Cross multiply
    5,505,465.05x = 8,258,280.80 × 1,911,346.21
  4. Step 4: Simplify right side
    5,505,465.05x = 15,784,433,677,993.34
  5. Step 5: Solve for x
    x = 15,784,433,677,993.34/5,505,465.05
  6. Step 6: Final answer
    x = 2,867,048.21

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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.