Home / 2,643,670.03-3,965,715.15-1,127,365.90

Finding the Fourth Proportional to 2,643,670.03, 3,965,715.15 and 1,127,365.90

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Solution

The fourth proportional to 2,643,670.03, 3,965,715.15 and 1,127,365.90 is: 1,691,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,670.03 : 3,965,715.15 = 1,127,365.90 : x
  2. Step 2: Convert to fraction form
    2,643,670.03/3,965,715.15 = 1,127,365.90/x
  3. Step 3: Cross multiply
    2,643,670.03x = 3,965,715.15 × 1,127,365.90
  4. Step 4: Simplify right side
    2,643,670.03x = 4,470,812,029,223.39
  5. Step 5: Solve for x
    x = 4,470,812,029,223.39/2,643,670.03
  6. Step 6: Final answer
    x = 1,691,138.45

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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.