Home / 2,889,315.60-3,987,384.80-1,582,659.60

Finding the Fourth Proportional to 2,889,315.60, 3,987,384.80 and 1,582,659.60

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Solution

The fourth proportional to 2,889,315.60, 3,987,384.80 and 1,582,659.60 is: 2,184,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,315.60 : 3,987,384.80 = 1,582,659.60 : x
  2. Step 2: Convert to fraction form
    2,889,315.60/3,987,384.80 = 1,582,659.60/x
  3. Step 3: Cross multiply
    2,889,315.60x = 3,987,384.80 × 1,582,659.60
  4. Step 4: Simplify right side
    2,889,315.60x = 6,310,672,832,614.08
  5. Step 5: Solve for x
    x = 6,310,672,832,614.08/2,889,315.60
  6. Step 6: Final answer
    x = 2,184,141.06

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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.