Home / 2,879,881.28-3,973,895.52-1,590,644.80

Finding the Fourth Proportional to 2,879,881.28, 3,973,895.52 and 1,590,644.80

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Solution

The fourth proportional to 2,879,881.28, 3,973,895.52 and 1,590,644.80 is: 2,194,901.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,881.28 : 3,973,895.52 = 1,590,644.80 : x
  2. Step 2: Convert to fraction form
    2,879,881.28/3,973,895.52 = 1,590,644.80/x
  3. Step 3: Cross multiply
    2,879,881.28x = 3,973,895.52 × 1,590,644.80
  4. Step 4: Simplify right side
    2,879,881.28x = 6,321,056,244,631.30
  5. Step 5: Solve for x
    x = 6,321,056,244,631.30/2,879,881.28
  6. Step 6: Final answer
    x = 2,194,901.67

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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.