Home / 5,389,458.40-8,085,310.80-1,796,341.60

Finding the Fourth Proportional to 5,389,458.40, 8,085,310.80 and 1,796,341.60

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Solution

The fourth proportional to 5,389,458.40, 8,085,310.80 and 1,796,341.60 is: 2,694,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,458.40 : 8,085,310.80 = 1,796,341.60 : x
  2. Step 2: Convert to fraction form
    5,389,458.40/8,085,310.80 = 1,796,341.60/x
  3. Step 3: Cross multiply
    5,389,458.40x = 8,085,310.80 × 1,796,341.60
  4. Step 4: Simplify right side
    5,389,458.40x = 14,523,980,138,969.28
  5. Step 5: Solve for x
    x = 14,523,980,138,969.28/5,389,458.40
  6. Step 6: Final answer
    x = 2,694,886.77

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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.