Home / 1,903,981.55-2,627,726.87-1,088,219.61

Finding the Fourth Proportional to 1,903,981.55, 2,627,726.87 and 1,088,219.61

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Solution

The fourth proportional to 1,903,981.55, 2,627,726.87 and 1,088,219.61 is: 1,501,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,981.55 : 2,627,726.87 = 1,088,219.61 : x
  2. Step 2: Convert to fraction form
    1,903,981.55/2,627,726.87 = 1,088,219.61/x
  3. Step 3: Cross multiply
    1,903,981.55x = 2,627,726.87 × 1,088,219.61
  4. Step 4: Simplify right side
    1,903,981.55x = 2,859,543,912,378.47
  5. Step 5: Solve for x
    x = 2,859,543,912,378.47/1,903,981.55
  6. Step 6: Final answer
    x = 1,501,875.86

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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.