Home / 2,909,153.61-4,014,631.96-1,686,168.52

Finding the Fourth Proportional to 2,909,153.61, 4,014,631.96 and 1,686,168.52

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Solution

The fourth proportional to 2,909,153.61, 4,014,631.96 and 1,686,168.52 is: 2,326,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,153.61 : 4,014,631.96 = 1,686,168.52 : x
  2. Step 2: Convert to fraction form
    2,909,153.61/4,014,631.96 = 1,686,168.52/x
  3. Step 3: Cross multiply
    2,909,153.61x = 4,014,631.96 × 1,686,168.52
  4. Step 4: Simplify right side
    2,909,153.61x = 6,769,346,027,377.05
  5. Step 5: Solve for x
    x = 6,769,346,027,377.05/2,909,153.61
  6. Step 6: Final answer
    x = 2,326,912.54

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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.