Home / 2,058,006.10-3,087,009.15-638,205.70

Finding the Fourth Proportional to 2,058,006.10, 3,087,009.15 and 638,205.70

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Solution

The fourth proportional to 2,058,006.10, 3,087,009.15 and 638,205.70 is: 957,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,006.10 : 3,087,009.15 = 638,205.70 : x
  2. Step 2: Convert to fraction form
    2,058,006.10/3,087,009.15 = 638,205.70/x
  3. Step 3: Cross multiply
    2,058,006.10x = 3,087,009.15 × 638,205.70
  4. Step 4: Simplify right side
    2,058,006.10x = 1,970,146,835,482.15
  5. Step 5: Solve for x
    x = 1,970,146,835,482.15/2,058,006.10
  6. Step 6: Final answer
    x = 957,308.55

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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.