Home / 1,599,989.92-2,208,541.68-921,196.96

Finding the Fourth Proportional to 1,599,989.92, 2,208,541.68 and 921,196.96

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Solution

The fourth proportional to 1,599,989.92, 2,208,541.68 and 921,196.96 is: 1,271,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599,989.92 : 2,208,541.68 = 921,196.96 : x
  2. Step 2: Convert to fraction form
    1,599,989.92/2,208,541.68 = 921,196.96/x
  3. Step 3: Cross multiply
    1,599,989.92x = 2,208,541.68 × 921,196.96
  4. Step 4: Simplify right side
    1,599,989.92x = 2,034,501,881,649.29
  5. Step 5: Solve for x
    x = 2,034,501,881,649.29/1,599,989.92
  6. Step 6: Final answer
    x = 1,271,571.69

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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.