Home / 3,117,475-4,302,115.50-1,686,691

Finding the Fourth Proportional to 3,117,475, 4,302,115.50 and 1,686,691

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Solution

The fourth proportional to 3,117,475, 4,302,115.50 and 1,686,691 is: 2,327,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,475 : 4,302,115.50 = 1,686,691 : x
  2. Step 2: Convert to fraction form
    3,117,475/4,302,115.50 = 1,686,691/x
  3. Step 3: Cross multiply
    3,117,475x = 4,302,115.50 × 1,686,691
  4. Step 4: Simplify right side
    3,117,475x = 7,256,339,494,810.50
  5. Step 5: Solve for x
    x = 7,256,339,494,810.50/3,117,475
  6. Step 6: Final answer
    x = 2,327,633.58

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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.