Home / 2,006,688-2,769,215.36-1,088,893.78

Finding the Fourth Proportional to 2,006,688, 2,769,215.36 and 1,088,893.78

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Solution

The fourth proportional to 2,006,688, 2,769,215.36 and 1,088,893.78 is: 1,502,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006,688 : 2,769,215.36 = 1,088,893.78 : x
  2. Step 2: Convert to fraction form
    2,006,688/2,769,215.36 = 1,088,893.78/x
  3. Step 3: Cross multiply
    2,006,688x = 2,769,215.36 × 1,088,893.78
  4. Step 4: Simplify right side
    2,006,688x = 3,015,381,376,783.66
  5. Step 5: Solve for x
    x = 3,015,381,376,783.66/2,006,688
  6. Step 6: Final answer
    x = 1,502,665.77

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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.