Home / 2,163,178.90-3,243,784.20-1,152,041.32

Finding the Fourth Proportional to 2,163,178.90, 3,243,784.20 and 1,152,041.32

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Solution

The fourth proportional to 2,163,178.90, 3,243,784.20 and 1,152,041.32 is: 1,727,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,178.90 : 3,243,784.20 = 1,152,041.32 : x
  2. Step 2: Convert to fraction form
    2,163,178.90/3,243,784.20 = 1,152,041.32/x
  3. Step 3: Cross multiply
    2,163,178.90x = 3,243,784.20 × 1,152,041.32
  4. Step 4: Simplify right side
    2,163,178.90x = 3,736,973,431,563.14
  5. Step 5: Solve for x
    x = 3,736,973,431,563.14/2,163,178.90
  6. Step 6: Final answer
    x = 1,727,537.85

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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.