Home / 2,664,678-3,997,051.02-771,421.26

Finding the Fourth Proportional to 2,664,678, 3,997,051.02 and 771,421.26

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Solution

The fourth proportional to 2,664,678, 3,997,051.02 and 771,421.26 is: 1,157,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,678 : 3,997,051.02 = 771,421.26 : x
  2. Step 2: Convert to fraction form
    2,664,678/3,997,051.02 = 771,421.26/x
  3. Step 3: Cross multiply
    2,664,678x = 3,997,051.02 × 771,421.26
  4. Step 4: Simplify right side
    2,664,678x = 3,083,410,134,132.69
  5. Step 5: Solve for x
    x = 3,083,410,134,132.69/2,664,678
  6. Step 6: Final answer
    x = 1,157,141.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.