Home / 3,915,531.60-5,403,157.32-2,173,289.64

Finding the Fourth Proportional to 3,915,531.60, 5,403,157.32 and 2,173,289.64

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Solution

The fourth proportional to 3,915,531.60, 5,403,157.32 and 2,173,289.64 is: 2,998,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,531.60 : 5,403,157.32 = 2,173,289.64 : x
  2. Step 2: Convert to fraction form
    3,915,531.60/5,403,157.32 = 2,173,289.64/x
  3. Step 3: Cross multiply
    3,915,531.60x = 5,403,157.32 × 2,173,289.64
  4. Step 4: Simplify right side
    3,915,531.60x = 11,742,625,826,846.17
  5. Step 5: Solve for x
    x = 11,742,625,826,846.17/3,915,531.60
  6. Step 6: Final answer
    x = 2,998,986.35

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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.