Home / 6,191,969.20-9,287,953.80-1,643,009.20

Finding the Fourth Proportional to 6,191,969.20, 9,287,953.80 and 1,643,009.20

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Solution

The fourth proportional to 6,191,969.20, 9,287,953.80 and 1,643,009.20 is: 2,464,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191,969.20 : 9,287,953.80 = 1,643,009.20 : x
  2. Step 2: Convert to fraction form
    6,191,969.20/9,287,953.80 = 1,643,009.20/x
  3. Step 3: Cross multiply
    6,191,969.20x = 9,287,953.80 × 1,643,009.20
  4. Step 4: Simplify right side
    6,191,969.20x = 15,260,193,542,574.96
  5. Step 5: Solve for x
    x = 15,260,193,542,574.96/6,191,969.20
  6. Step 6: Final answer
    x = 2,464,513.80

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Similar ratio
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1.5x scale

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.