Home / 2,016,440.12-2,782,750.38-1,157,157.56

Finding the Fourth Proportional to 2,016,440.12, 2,782,750.38 and 1,157,157.56

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Solution

The fourth proportional to 2,016,440.12, 2,782,750.38 and 1,157,157.56 is: 1,596,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016,440.12 : 2,782,750.38 = 1,157,157.56 : x
  2. Step 2: Convert to fraction form
    2,016,440.12/2,782,750.38 = 1,157,157.56/x
  3. Step 3: Cross multiply
    2,016,440.12x = 2,782,750.38 × 1,157,157.56
  4. Step 4: Simplify right side
    2,016,440.12x = 3,220,080,639,809.87
  5. Step 5: Solve for x
    x = 3,220,080,639,809.87/2,016,440.12
  6. Step 6: Final answer
    x = 1,596,913.59

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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.