Home / 2,058,005.60-3,087,008.40-638,205.20

Finding the Fourth Proportional to 2,058,005.60, 3,087,008.40 and 638,205.20

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Solution

The fourth proportional to 2,058,005.60, 3,087,008.40 and 638,205.20 is: 957,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,005.60 : 3,087,008.40 = 638,205.20 : x
  2. Step 2: Convert to fraction form
    2,058,005.60/3,087,008.40 = 638,205.20/x
  3. Step 3: Cross multiply
    2,058,005.60x = 3,087,008.40 × 638,205.20
  4. Step 4: Simplify right side
    2,058,005.60x = 1,970,144,813,323.68
  5. Step 5: Solve for x
    x = 1,970,144,813,323.68/2,058,005.60
  6. Step 6: Final answer
    x = 957,307.80

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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.