Home / 5,319,628.40-7,979,442.60-3,695,999.60

Finding the Fourth Proportional to 5,319,628.40, 7,979,442.60 and 3,695,999.60

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Solution

The fourth proportional to 5,319,628.40, 7,979,442.60 and 3,695,999.60 is: 5,543,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319,628.40 : 7,979,442.60 = 3,695,999.60 : x
  2. Step 2: Convert to fraction form
    5,319,628.40/7,979,442.60 = 3,695,999.60/x
  3. Step 3: Cross multiply
    5,319,628.40x = 7,979,442.60 × 3,695,999.60
  4. Step 4: Simplify right side
    5,319,628.40x = 29,492,016,657,822.96
  5. Step 5: Solve for x
    x = 29,492,016,657,822.96/5,319,628.40
  6. Step 6: Final answer
    x = 5,543,999.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.