Home / 3,618,849.76-4,994,017.12-1,987,362.32

Finding the Fourth Proportional to 3,618,849.76, 4,994,017.12 and 1,987,362.32

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Solution

The fourth proportional to 3,618,849.76, 4,994,017.12 and 1,987,362.32 is: 2,742,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,849.76 : 4,994,017.12 = 1,987,362.32 : x
  2. Step 2: Convert to fraction form
    3,618,849.76/4,994,017.12 = 1,987,362.32/x
  3. Step 3: Cross multiply
    3,618,849.76x = 4,994,017.12 × 1,987,362.32
  4. Step 4: Simplify right side
    3,618,849.76x = 9,924,921,449,722.92
  5. Step 5: Solve for x
    x = 9,924,921,449,722.92/3,618,849.76
  6. Step 6: Final answer
    x = 2,742,562.45

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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.