Home / 2,148,001.40-2,964,226.38-1,230,433.40

Finding the Fourth Proportional to 2,148,001.40, 2,964,226.38 and 1,230,433.40

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Solution

The fourth proportional to 2,148,001.40, 2,964,226.38 and 1,230,433.40 is: 1,697,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,001.40 : 2,964,226.38 = 1,230,433.40 : x
  2. Step 2: Convert to fraction form
    2,148,001.40/2,964,226.38 = 1,230,433.40/x
  3. Step 3: Cross multiply
    2,148,001.40x = 2,964,226.38 × 1,230,433.40
  4. Step 4: Simplify right side
    2,148,001.40x = 3,647,283,143,113.09
  5. Step 5: Solve for x
    x = 3,647,283,143,113.09/2,148,001.40
  6. Step 6: Final answer
    x = 1,697,989.18

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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.