Home / 3,806,676.28-5,252,728.98-2,175,189.40

Finding the Fourth Proportional to 3,806,676.28, 5,252,728.98 and 2,175,189.40

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Solution

The fourth proportional to 3,806,676.28, 5,252,728.98 and 2,175,189.40 is: 3,001,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806,676.28 : 5,252,728.98 = 2,175,189.40 : x
  2. Step 2: Convert to fraction form
    3,806,676.28/5,252,728.98 = 2,175,189.40/x
  3. Step 3: Cross multiply
    3,806,676.28x = 5,252,728.98 × 2,175,189.40
  4. Step 4: Simplify right side
    3,806,676.28x = 11,425,680,398,368.81
  5. Step 5: Solve for x
    x = 11,425,680,398,368.81/3,806,676.28
  6. Step 6: Final answer
    x = 3,001,484.64

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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.