Home / 1,878,688.92-2,818,370.36-881,391

Finding the Fourth Proportional to 1,878,688.92, 2,818,370.36 and 881,391

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Solution

The fourth proportional to 1,878,688.92, 2,818,370.36 and 881,391 is: 1,322,244.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,688.92 : 2,818,370.36 = 881,391 : x
  2. Step 2: Convert to fraction form
    1,878,688.92/2,818,370.36 = 881,391/x
  3. Step 3: Cross multiply
    1,878,688.92x = 2,818,370.36 × 881,391
  4. Step 4: Simplify right side
    1,878,688.92x = 2,484,086,269,970.76
  5. Step 5: Solve for x
    x = 2,484,086,269,970.76/1,878,688.92
  6. Step 6: Final answer
    x = 1,322,244.59

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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.