Home / 2,787,988.56-3,847,490.54-1,564,384.61

Finding the Fourth Proportional to 2,787,988.56, 3,847,490.54 and 1,564,384.61

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Solution

The fourth proportional to 2,787,988.56, 3,847,490.54 and 1,564,384.61 is: 2,158,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,988.56 : 3,847,490.54 = 1,564,384.61 : x
  2. Step 2: Convert to fraction form
    2,787,988.56/3,847,490.54 = 1,564,384.61/x
  3. Step 3: Cross multiply
    2,787,988.56x = 3,847,490.54 × 1,564,384.61
  4. Step 4: Simplify right side
    2,787,988.56x = 6,018,954,987,896.59
  5. Step 5: Solve for x
    x = 6,018,954,987,896.59/2,787,988.56
  6. Step 6: Final answer
    x = 2,158,887.98

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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.