Home / 2,889,899.29-3,987,889.93-1,582,890.69

Finding the Fourth Proportional to 2,889,899.29, 3,987,889.93 and 1,582,890.69

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Solution

The fourth proportional to 2,889,899.29, 3,987,889.93 and 1,582,890.69 is: 2,184,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,899.29 : 3,987,889.93 = 1,582,890.69 : x
  2. Step 2: Convert to fraction form
    2,889,899.29/3,987,889.93 = 1,582,890.69/x
  3. Step 3: Cross multiply
    2,889,899.29x = 3,987,889.93 × 1,582,890.69
  4. Step 4: Simplify right side
    2,889,899.29x = 6,312,393,830,679.01
  5. Step 5: Solve for x
    x = 6,312,393,830,679.01/2,889,899.29
  6. Step 6: Final answer
    x = 2,184,295.43

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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.