Home / 3,853,566.72-5,318,010.48-2,111,402.40

Finding the Fourth Proportional to 3,853,566.72, 5,318,010.48 and 2,111,402.40

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Solution

The fourth proportional to 3,853,566.72, 5,318,010.48 and 2,111,402.40 is: 2,913,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,566.72 : 5,318,010.48 = 2,111,402.40 : x
  2. Step 2: Convert to fraction form
    3,853,566.72/5,318,010.48 = 2,111,402.40/x
  3. Step 3: Cross multiply
    3,853,566.72x = 5,318,010.48 × 2,111,402.40
  4. Step 4: Simplify right side
    3,853,566.72x = 11,228,460,090,697.15
  5. Step 5: Solve for x
    x = 11,228,460,090,697.15/3,853,566.72
  6. Step 6: Final answer
    x = 2,913,783.75

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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.