Home / 2,423,122.89-3,343,922.87-1,390,548.57

Finding the Fourth Proportional to 2,423,122.89, 3,343,922.87 and 1,390,548.57

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Solution

The fourth proportional to 2,423,122.89, 3,343,922.87 and 1,390,548.57 is: 1,918,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423,122.89 : 3,343,922.87 = 1,390,548.57 : x
  2. Step 2: Convert to fraction form
    2,423,122.89/3,343,922.87 = 1,390,548.57/x
  3. Step 3: Cross multiply
    2,423,122.89x = 3,343,922.87 × 1,390,548.57
  4. Step 4: Simplify right side
    2,423,122.89x = 4,649,887,158,116.05
  5. Step 5: Solve for x
    x = 4,649,887,158,116.05/2,423,122.89
  6. Step 6: Final answer
    x = 1,918,964.65

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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.