Home / 3,118,979.64-4,302,395.67-1,877,726.61

Finding the Fourth Proportional to 3,118,979.64, 4,302,395.67 and 1,877,726.61

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Solution

The fourth proportional to 3,118,979.64, 4,302,395.67 and 1,877,726.61 is: 2,590,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,979.64 : 4,302,395.67 = 1,877,726.61 : x
  2. Step 2: Convert to fraction form
    3,118,979.64/4,302,395.67 = 1,877,726.61/x
  3. Step 3: Cross multiply
    3,118,979.64x = 4,302,395.67 × 1,877,726.61
  4. Step 4: Simplify right side
    3,118,979.64x = 8,078,722,813,132.32
  5. Step 5: Solve for x
    x = 8,078,722,813,132.32/3,118,979.64
  6. Step 6: Final answer
    x = 2,590,181.32

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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.