Home / 1,874,154.21-2,811,231.29-454,210.28

Finding the Fourth Proportional to 1,874,154.21, 2,811,231.29 and 454,210.28

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Solution

The fourth proportional to 1,874,154.21, 2,811,231.29 and 454,210.28 is: 681,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,154.21 : 2,811,231.29 = 454,210.28 : x
  2. Step 2: Convert to fraction form
    1,874,154.21/2,811,231.29 = 454,210.28/x
  3. Step 3: Cross multiply
    1,874,154.21x = 2,811,231.29 × 454,210.28
  4. Step 4: Simplify right side
    1,874,154.21x = 1,276,890,163,852.26
  5. Step 5: Solve for x
    x = 1,276,890,163,852.26/1,874,154.21
  6. Step 6: Final answer
    x = 681,315.42

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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.