Home / 1,938,328.38-2,674,893.27-1,078,870.19

Finding the Fourth Proportional to 1,938,328.38, 2,674,893.27 and 1,078,870.19

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Solution

The fourth proportional to 1,938,328.38, 2,674,893.27 and 1,078,870.19 is: 1,488,840.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,328.38 : 2,674,893.27 = 1,078,870.19 : x
  2. Step 2: Convert to fraction form
    1,938,328.38/2,674,893.27 = 1,078,870.19/x
  3. Step 3: Cross multiply
    1,938,328.38x = 2,674,893.27 × 1,078,870.19
  4. Step 4: Simplify right side
    1,938,328.38x = 2,885,862,601,105.92
  5. Step 5: Solve for x
    x = 2,885,862,601,105.92/1,938,328.38
  6. Step 6: Final answer
    x = 1,488,840.92

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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.