Home / 2,087,428.22-3,130,155.44-808,634.64

Finding the Fourth Proportional to 2,087,428.22, 3,130,155.44 and 808,634.64

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Solution

The fourth proportional to 2,087,428.22, 3,130,155.44 and 808,634.64 is: 1,212,569.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,428.22 : 3,130,155.44 = 808,634.64 : x
  2. Step 2: Convert to fraction form
    2,087,428.22/3,130,155.44 = 808,634.64/x
  3. Step 3: Cross multiply
    2,087,428.22x = 3,130,155.44 × 808,634.64
  4. Step 4: Simplify right side
    2,087,428.22x = 2,531,152,113,325.27
  5. Step 5: Solve for x
    x = 2,531,152,113,325.27/2,087,428.22
  6. Step 6: Final answer
    x = 1,212,569.66

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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.