Home / 3,880,468.60-5,355,212.35-2,161,590.28

Finding the Fourth Proportional to 3,880,468.60, 5,355,212.35 and 2,161,590.28

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Solution

The fourth proportional to 3,880,468.60, 5,355,212.35 and 2,161,590.28 is: 2,983,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,468.60 : 5,355,212.35 = 2,161,590.28 : x
  2. Step 2: Convert to fraction form
    3,880,468.60/5,355,212.35 = 2,161,590.28/x
  3. Step 3: Cross multiply
    3,880,468.60x = 5,355,212.35 × 2,161,590.28
  4. Step 4: Simplify right side
    3,880,468.60x = 11,575,774,936,319.89
  5. Step 5: Solve for x
    x = 11,575,774,936,319.89/3,880,468.60
  6. Step 6: Final answer
    x = 2,983,086.88

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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.