Home / 1,622,191.90-2,238,639.32-897,088.40

Finding the Fourth Proportional to 1,622,191.90, 2,238,639.32 and 897,088.40

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Solution

The fourth proportional to 1,622,191.90, 2,238,639.32 and 897,088.40 is: 1,237,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,191.90 : 2,238,639.32 = 897,088.40 : x
  2. Step 2: Convert to fraction form
    1,622,191.90/2,238,639.32 = 897,088.40/x
  3. Step 3: Cross multiply
    1,622,191.90x = 2,238,639.32 × 897,088.40
  4. Step 4: Simplify right side
    1,622,191.90x = 2,008,257,365,755.89
  5. Step 5: Solve for x
    x = 2,008,257,365,755.89/1,622,191.90
  6. Step 6: Final answer
    x = 1,237,990.01

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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.