Home / 2,168,044.90-2,991,259.66-1,308,252.58

Finding the Fourth Proportional to 2,168,044.90, 2,991,259.66 and 1,308,252.58

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Solution

The fourth proportional to 2,168,044.90, 2,991,259.66 and 1,308,252.58 is: 1,805,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,044.90 : 2,991,259.66 = 1,308,252.58 : x
  2. Step 2: Convert to fraction form
    2,168,044.90/2,991,259.66 = 1,308,252.58/x
  3. Step 3: Cross multiply
    2,168,044.90x = 2,991,259.66 × 1,308,252.58
  4. Step 4: Simplify right side
    2,168,044.90x = 3,913,323,167,644.92
  5. Step 5: Solve for x
    x = 3,913,323,167,644.92/2,168,044.90
  6. Step 6: Final answer
    x = 1,805,000.98

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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.