Home / 2,840,288.06-3,919,628.74-1,551,166.40

Finding the Fourth Proportional to 2,840,288.06, 3,919,628.74 and 1,551,166.40

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Solution

The fourth proportional to 2,840,288.06, 3,919,628.74 and 1,551,166.40 is: 2,140,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,288.06 : 3,919,628.74 = 1,551,166.40 : x
  2. Step 2: Convert to fraction form
    2,840,288.06/3,919,628.74 = 1,551,166.40/x
  3. Step 3: Cross multiply
    2,840,288.06x = 3,919,628.74 × 1,551,166.40
  4. Step 4: Simplify right side
    2,840,288.06x = 6,079,996,401,962.34
  5. Step 5: Solve for x
    x = 6,079,996,401,962.34/2,840,288.06
  6. Step 6: Final answer
    x = 2,140,626.68

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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.