Home / 2,636,287.59-3,954,264.21-840,459.63

Finding the Fourth Proportional to 2,636,287.59, 3,954,264.21 and 840,459.63

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Solution

The fourth proportional to 2,636,287.59, 3,954,264.21 and 840,459.63 is: 1,260,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,287.59 : 3,954,264.21 = 840,459.63 : x
  2. Step 2: Convert to fraction form
    2,636,287.59/3,954,264.21 = 840,459.63/x
  3. Step 3: Cross multiply
    2,636,287.59x = 3,954,264.21 × 840,459.63
  4. Step 4: Simplify right side
    2,636,287.59x = 3,323,399,434,858.84
  5. Step 5: Solve for x
    x = 3,323,399,434,858.84/2,636,287.59
  6. Step 6: Final answer
    x = 1,260,636.15

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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.