Home / 1,605,186.81-2,215,099.01-880,018.62

Finding the Fourth Proportional to 1,605,186.81, 2,215,099.01 and 880,018.62

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Solution

The fourth proportional to 1,605,186.81, 2,215,099.01 and 880,018.62 is: 1,214,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,186.81 : 2,215,099.01 = 880,018.62 : x
  2. Step 2: Convert to fraction form
    1,605,186.81/2,215,099.01 = 880,018.62/x
  3. Step 3: Cross multiply
    1,605,186.81x = 2,215,099.01 × 880,018.62
  4. Step 4: Simplify right side
    1,605,186.81x = 1,949,328,373,943.57
  5. Step 5: Solve for x
    x = 1,949,328,373,943.57/1,605,186.81
  6. Step 6: Final answer
    x = 1,214,393.47

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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.