Home / 2,698,688.80-4,049,588.40-1,016,999.20

Finding the Fourth Proportional to 2,698,688.80, 4,049,588.40 and 1,016,999.20

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Solution

The fourth proportional to 2,698,688.80, 4,049,588.40 and 1,016,999.20 is: 1,526,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,688.80 : 4,049,588.40 = 1,016,999.20 : x
  2. Step 2: Convert to fraction form
    2,698,688.80/4,049,588.40 = 1,016,999.20/x
  3. Step 3: Cross multiply
    2,698,688.80x = 4,049,588.40 × 1,016,999.20
  4. Step 4: Simplify right side
    2,698,688.80x = 4,118,428,163,129.28
  5. Step 5: Solve for x
    x = 4,118,428,163,129.28/2,698,688.80
  6. Step 6: Final answer
    x = 1,526,084.88

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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.