Home / 2,909,782.48-4,015,624.44-1,620,623.20

Finding the Fourth Proportional to 2,909,782.48, 4,015,624.44 and 1,620,623.20

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Solution

The fourth proportional to 2,909,782.48, 4,015,624.44 and 1,620,623.20 is: 2,236,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,782.48 : 4,015,624.44 = 1,620,623.20 : x
  2. Step 2: Convert to fraction form
    2,909,782.48/4,015,624.44 = 1,620,623.20/x
  3. Step 3: Cross multiply
    2,909,782.48x = 4,015,624.44 × 1,620,623.20
  4. Step 4: Simplify right side
    2,909,782.48x = 6,507,814,129,951.01
  5. Step 5: Solve for x
    x = 6,507,814,129,951.01/2,909,782.48
  6. Step 6: Final answer
    x = 2,236,529.42

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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.