Home / 1,638,513.73-2,458,885.16-1,005,495.49

Finding the Fourth Proportional to 1,638,513.73, 2,458,885.16 and 1,005,495.49

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Solution

The fourth proportional to 1,638,513.73, 2,458,885.16 and 1,005,495.49 is: 1,508,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,513.73 : 2,458,885.16 = 1,005,495.49 : x
  2. Step 2: Convert to fraction form
    1,638,513.73/2,458,885.16 = 1,005,495.49/x
  3. Step 3: Cross multiply
    1,638,513.73x = 2,458,885.16 × 1,005,495.49
  4. Step 4: Simplify right side
    1,638,513.73x = 2,472,397,938,807.93
  5. Step 5: Solve for x
    x = 2,472,397,938,807.93/1,638,513.73
  6. Step 6: Final answer
    x = 1,508,927.20

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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.