Home / 2,058,244.80-3,087,367.20-638,444.40

Finding the Fourth Proportional to 2,058,244.80, 3,087,367.20 and 638,444.40

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Solution

The fourth proportional to 2,058,244.80, 3,087,367.20 and 638,444.40 is: 957,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,244.80 : 3,087,367.20 = 638,444.40 : x
  2. Step 2: Convert to fraction form
    2,058,244.80/3,087,367.20 = 638,444.40/x
  3. Step 3: Cross multiply
    2,058,244.80x = 3,087,367.20 × 638,444.40
  4. Step 4: Simplify right side
    2,058,244.80x = 1,971,112,299,583.68
  5. Step 5: Solve for x
    x = 1,971,112,299,583.68/2,058,244.80
  6. Step 6: Final answer
    x = 957,666.60

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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.