Home / 2,698,857.30-4,048,739.55-805,790.10

Finding the Fourth Proportional to 2,698,857.30, 4,048,739.55 and 805,790.10

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Solution

The fourth proportional to 2,698,857.30, 4,048,739.55 and 805,790.10 is: 1,208,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,857.30 : 4,048,739.55 = 805,790.10 : x
  2. Step 2: Convert to fraction form
    2,698,857.30/4,048,739.55 = 805,790.10/x
  3. Step 3: Cross multiply
    2,698,857.30x = 4,048,739.55 × 805,790.10
  4. Step 4: Simplify right side
    2,698,857.30x = 3,262,434,246,868.45
  5. Step 5: Solve for x
    x = 3,262,434,246,868.45/2,698,857.30
  6. Step 6: Final answer
    x = 1,208,820.58

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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.