Home / 3,064,871.10-4,229,365.81-1,688,185.18

Finding the Fourth Proportional to 3,064,871.10, 4,229,365.81 and 1,688,185.18

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Solution

The fourth proportional to 3,064,871.10, 4,229,365.81 and 1,688,185.18 is: 2,329,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064,871.10 : 4,229,365.81 = 1,688,185.18 : x
  2. Step 2: Convert to fraction form
    3,064,871.10/4,229,365.81 = 1,688,185.18/x
  3. Step 3: Cross multiply
    3,064,871.10x = 4,229,365.81 × 1,688,185.18
  4. Step 4: Simplify right side
    3,064,871.10x = 7,139,952,681,240.70
  5. Step 5: Solve for x
    x = 7,139,952,681,240.70/3,064,871.10
  6. Step 6: Final answer
    x = 2,329,609.45

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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.