Home / 2,999,828.90-4,139,752.43-1,623,175.28

Finding the Fourth Proportional to 2,999,828.90, 4,139,752.43 and 1,623,175.28

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Solution

The fourth proportional to 2,999,828.90, 4,139,752.43 and 1,623,175.28 is: 2,239,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,828.90 : 4,139,752.43 = 1,623,175.28 : x
  2. Step 2: Convert to fraction form
    2,999,828.90/4,139,752.43 = 1,623,175.28/x
  3. Step 3: Cross multiply
    2,999,828.90x = 4,139,752.43 × 1,623,175.28
  4. Step 4: Simplify right side
    2,999,828.90x = 6,719,543,792,370.94
  5. Step 5: Solve for x
    x = 6,719,543,792,370.94/2,999,828.90
  6. Step 6: Final answer
    x = 2,239,975.68

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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.