Home / 2,628,261-3,627,000.18-1,421,037

Finding the Fourth Proportional to 2,628,261, 3,627,000.18 and 1,421,037

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Solution

The fourth proportional to 2,628,261, 3,627,000.18 and 1,421,037 is: 1,961,031.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,261 : 3,627,000.18 = 1,421,037 : x
  2. Step 2: Convert to fraction form
    2,628,261/3,627,000.18 = 1,421,037/x
  3. Step 3: Cross multiply
    2,628,261x = 3,627,000.18 × 1,421,037
  4. Step 4: Simplify right side
    2,628,261x = 5,154,101,454,786.66
  5. Step 5: Solve for x
    x = 5,154,101,454,786.66/2,628,261
  6. Step 6: Final answer
    x = 1,961,031.06

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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.