Home / 3,064,871.36-4,229,366.15-1,688,185.43

Finding the Fourth Proportional to 3,064,871.36, 4,229,366.15 and 1,688,185.43

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Solution

The fourth proportional to 3,064,871.36, 4,229,366.15 and 1,688,185.43 is: 2,329,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064,871.36 : 4,229,366.15 = 1,688,185.43 : x
  2. Step 2: Convert to fraction form
    3,064,871.36/4,229,366.15 = 1,688,185.43/x
  3. Step 3: Cross multiply
    3,064,871.36x = 4,229,366.15 × 1,688,185.43
  4. Step 4: Simplify right side
    3,064,871.36x = 7,139,954,312,565.20
  5. Step 5: Solve for x
    x = 7,139,954,312,565.20/3,064,871.36
  6. Step 6: Final answer
    x = 2,329,609.79

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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.