Home / 1,917,271.44-2,645,843.04-1,057,831.20

Finding the Fourth Proportional to 1,917,271.44, 2,645,843.04 and 1,057,831.20

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Solution

The fourth proportional to 1,917,271.44, 2,645,843.04 and 1,057,831.20 is: 1,459,811.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,271.44 : 2,645,843.04 = 1,057,831.20 : x
  2. Step 2: Convert to fraction form
    1,917,271.44/2,645,843.04 = 1,057,831.20/x
  3. Step 3: Cross multiply
    1,917,271.44x = 2,645,843.04 × 1,057,831.20
  4. Step 4: Simplify right side
    1,917,271.44x = 2,798,855,318,014.85
  5. Step 5: Solve for x
    x = 2,798,855,318,014.85/1,917,271.44
  6. Step 6: Final answer
    x = 1,459,811.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.