Home / 3,431,312.33-4,731,328.46-2,189,260.81

Finding the Fourth Proportional to 3,431,312.33, 4,731,328.46 and 2,189,260.81

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Solution

The fourth proportional to 3,431,312.33, 4,731,328.46 and 2,189,260.81 is: 3,018,702.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,312.33 : 4,731,328.46 = 2,189,260.81 : x
  2. Step 2: Convert to fraction form
    3,431,312.33/4,731,328.46 = 2,189,260.81/x
  3. Step 3: Cross multiply
    3,431,312.33x = 4,731,328.46 × 2,189,260.81
  4. Step 4: Simplify right side
    3,431,312.33x = 10,358,111,988,102.96
  5. Step 5: Solve for x
    x = 10,358,111,988,102.96/3,431,312.33
  6. Step 6: Final answer
    x = 3,018,702.76

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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.