Home / 2,972,638.91-4,457,864.65-1,026,872.49

Finding the Fourth Proportional to 2,972,638.91, 4,457,864.65 and 1,026,872.49

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Solution

The fourth proportional to 2,972,638.91, 4,457,864.65 and 1,026,872.49 is: 1,539,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,638.91 : 4,457,864.65 = 1,026,872.49 : x
  2. Step 2: Convert to fraction form
    2,972,638.91/4,457,864.65 = 1,026,872.49/x
  3. Step 3: Cross multiply
    2,972,638.91x = 4,457,864.65 × 1,026,872.49
  4. Step 4: Simplify right side
    2,972,638.91x = 4,577,658,550,939.16
  5. Step 5: Solve for x
    x = 4,577,658,550,939.16/2,972,638.91
  6. Step 6: Final answer
    x = 1,539,930.91

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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.