Home / 2,909,151.30-4,014,628.77-1,686,166.21

Finding the Fourth Proportional to 2,909,151.30, 4,014,628.77 and 1,686,166.21

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Solution

The fourth proportional to 2,909,151.30, 4,014,628.77 and 1,686,166.21 is: 2,326,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,151.30 : 4,014,628.77 = 1,686,166.21 : x
  2. Step 2: Convert to fraction form
    2,909,151.30/4,014,628.77 = 1,686,166.21/x
  3. Step 3: Cross multiply
    2,909,151.30x = 4,014,628.77 × 1,686,166.21
  4. Step 4: Simplify right side
    2,909,151.30x = 6,769,331,377,667.86
  5. Step 5: Solve for x
    x = 6,769,331,377,667.86/2,909,151.30
  6. Step 6: Final answer
    x = 2,326,909.36

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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.