Home / 1,949,684.72-2,925,963.74-925,018.79

Finding the Fourth Proportional to 1,949,684.72, 2,925,963.74 and 925,018.79

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Solution

The fourth proportional to 1,949,684.72, 2,925,963.74 and 925,018.79 is: 1,388,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,684.72 : 2,925,963.74 = 925,018.79 : x
  2. Step 2: Convert to fraction form
    1,949,684.72/2,925,963.74 = 925,018.79/x
  3. Step 3: Cross multiply
    1,949,684.72x = 2,925,963.74 × 925,018.79
  4. Step 4: Simplify right side
    1,949,684.72x = 2,706,571,426,041.40
  5. Step 5: Solve for x
    x = 2,706,571,426,041.40/1,949,684.72
  6. Step 6: Final answer
    x = 1,388,209.80

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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.