Home / 2,005,085.61-3,006,427.16-638,268.80

Finding the Fourth Proportional to 2,005,085.61, 3,006,427.16 and 638,268.80

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Solution

The fourth proportional to 2,005,085.61, 3,006,427.16 and 638,268.80 is: 957,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,085.61 : 3,006,427.16 = 638,268.80 : x
  2. Step 2: Convert to fraction form
    2,005,085.61/3,006,427.16 = 638,268.80/x
  3. Step 3: Cross multiply
    2,005,085.61x = 3,006,427.16 × 638,268.80
  4. Step 4: Simplify right side
    2,005,085.61x = 1,918,908,642,264.14
  5. Step 5: Solve for x
    x = 1,918,908,642,264.14/2,005,085.61
  6. Step 6: Final answer
    x = 957,020.80

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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.