Home / 1,938,168.73-2,674,646.08-1,078,729.30

Finding the Fourth Proportional to 1,938,168.73, 2,674,646.08 and 1,078,729.30

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Solution

The fourth proportional to 1,938,168.73, 2,674,646.08 and 1,078,729.30 is: 1,488,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,168.73 : 2,674,646.08 = 1,078,729.30 : x
  2. Step 2: Convert to fraction form
    1,938,168.73/2,674,646.08 = 1,078,729.30/x
  3. Step 3: Cross multiply
    1,938,168.73x = 2,674,646.08 × 1,078,729.30
  4. Step 4: Simplify right side
    1,938,168.73x = 2,885,219,093,626.14
  5. Step 5: Solve for x
    x = 2,885,219,093,626.14/1,938,168.73
  6. Step 6: Final answer
    x = 1,488,631.54

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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.