Home / 2,618,688.67-3,613,248.48-1,530,749.86

Finding the Fourth Proportional to 2,618,688.67, 3,613,248.48 and 1,530,749.86

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Solution

The fourth proportional to 2,618,688.67, 3,613,248.48 and 1,530,749.86 is: 2,112,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,688.67 : 3,613,248.48 = 1,530,749.86 : x
  2. Step 2: Convert to fraction form
    2,618,688.67/3,613,248.48 = 1,530,749.86/x
  3. Step 3: Cross multiply
    2,618,688.67x = 3,613,248.48 × 1,530,749.86
  4. Step 4: Simplify right side
    2,618,688.67x = 5,530,979,604,905.21
  5. Step 5: Solve for x
    x = 5,530,979,604,905.21/2,618,688.67
  6. Step 6: Final answer
    x = 2,112,118.05

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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.