Home / 1,938,032.37-2,674,484.68-1,078,795.61

Finding the Fourth Proportional to 1,938,032.37, 2,674,484.68 and 1,078,795.61

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Solution

The fourth proportional to 1,938,032.37, 2,674,484.68 and 1,078,795.61 is: 1,488,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,032.37 : 2,674,484.68 = 1,078,795.61 : x
  2. Step 2: Convert to fraction form
    1,938,032.37/2,674,484.68 = 1,078,795.61/x
  3. Step 3: Cross multiply
    1,938,032.37x = 2,674,484.68 × 1,078,795.61
  4. Step 4: Simplify right side
    1,938,032.37x = 2,885,222,331,796.26
  5. Step 5: Solve for x
    x = 2,885,222,331,796.26/1,938,032.37
  6. Step 6: Final answer
    x = 1,488,737.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.