Home / 1,938,371.38-2,674,952.58-1,078,913.23

Finding the Fourth Proportional to 1,938,371.38, 2,674,952.58 and 1,078,913.23

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Solution

The fourth proportional to 1,938,371.38, 2,674,952.58 and 1,078,913.23 is: 1,488,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,371.38 : 2,674,952.58 = 1,078,913.23 : x
  2. Step 2: Convert to fraction form
    1,938,371.38/2,674,952.58 = 1,078,913.23/x
  3. Step 3: Cross multiply
    1,938,371.38x = 2,674,952.58 × 1,078,913.23
  4. Step 4: Simplify right side
    1,938,371.38x = 2,886,041,728,184.63
  5. Step 5: Solve for x
    x = 2,886,041,728,184.63/1,938,371.38
  6. Step 6: Final answer
    x = 1,488,900.30

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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.