Home / 2,779,614.78-3,835,690.62-1,555,714.50

Finding the Fourth Proportional to 2,779,614.78, 3,835,690.62 and 1,555,714.50

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Solution

The fourth proportional to 2,779,614.78, 3,835,690.62 and 1,555,714.50 is: 2,146,786.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,614.78 : 3,835,690.62 = 1,555,714.50 : x
  2. Step 2: Convert to fraction form
    2,779,614.78/3,835,690.62 = 1,555,714.50/x
  3. Step 3: Cross multiply
    2,779,614.78x = 3,835,690.62 × 1,555,714.50
  4. Step 4: Simplify right side
    2,779,614.78x = 5,967,239,515,047.99
  5. Step 5: Solve for x
    x = 5,967,239,515,047.99/2,779,614.78
  6. Step 6: Final answer
    x = 2,146,786.51

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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.