Home / 3,129,947.10-4,317,561.76-1,823,045.10

Finding the Fourth Proportional to 3,129,947.10, 4,317,561.76 and 1,823,045.10

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Solution

The fourth proportional to 3,129,947.10, 4,317,561.76 and 1,823,045.10 is: 2,514,774.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,947.10 : 4,317,561.76 = 1,823,045.10 : x
  2. Step 2: Convert to fraction form
    3,129,947.10/4,317,561.76 = 1,823,045.10/x
  3. Step 3: Cross multiply
    3,129,947.10x = 4,317,561.76 × 1,823,045.10
  4. Step 4: Simplify right side
    3,129,947.10x = 7,871,109,810,515.38
  5. Step 5: Solve for x
    x = 7,871,109,810,515.38/3,129,947.10
  6. Step 6: Final answer
    x = 2,514,774.07

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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.