Home / 1,938,372.38-2,674,953.96-1,078,914.23

Finding the Fourth Proportional to 1,938,372.38, 2,674,953.96 and 1,078,914.23

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Solution

The fourth proportional to 1,938,372.38, 2,674,953.96 and 1,078,914.23 is: 1,488,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,372.38 : 2,674,953.96 = 1,078,914.23 : x
  2. Step 2: Convert to fraction form
    1,938,372.38/2,674,953.96 = 1,078,914.23/x
  3. Step 3: Cross multiply
    1,938,372.38x = 2,674,953.96 × 1,078,914.23
  4. Step 4: Simplify right side
    1,938,372.38x = 2,886,045,892,038.85
  5. Step 5: Solve for x
    x = 2,886,045,892,038.85/1,938,372.38
  6. Step 6: Final answer
    x = 1,488,901.68

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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.