Home / 1,808,915.43-2,713,434.09-909,867

Finding the Fourth Proportional to 1,808,915.43, 2,713,434.09 and 909,867

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Solution

The fourth proportional to 1,808,915.43, 2,713,434.09 and 909,867 is: 1,364,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,915.43 : 2,713,434.09 = 909,867 : x
  2. Step 2: Convert to fraction form
    1,808,915.43/2,713,434.09 = 909,867/x
  3. Step 3: Cross multiply
    1,808,915.43x = 2,713,434.09 × 909,867
  4. Step 4: Simplify right side
    1,808,915.43x = 2,468,864,135,166.03
  5. Step 5: Solve for x
    x = 2,468,864,135,166.03/1,808,915.43
  6. Step 6: Final answer
    x = 1,364,831.15

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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.