Home / 2,718,107.47-4,071,718.30-1,638,019.25

Finding the Fourth Proportional to 2,718,107.47, 4,071,718.30 and 1,638,019.25

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Solution

The fourth proportional to 2,718,107.47, 4,071,718.30 and 1,638,019.25 is: 2,453,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,107.47 : 4,071,718.30 = 1,638,019.25 : x
  2. Step 2: Convert to fraction form
    2,718,107.47/4,071,718.30 = 1,638,019.25/x
  3. Step 3: Cross multiply
    2,718,107.47x = 4,071,718.30 × 1,638,019.25
  4. Step 4: Simplify right side
    2,718,107.47x = 6,669,552,955,977.28
  5. Step 5: Solve for x
    x = 6,669,552,955,977.28/2,718,107.47
  6. Step 6: Final answer
    x = 2,453,748.80

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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.