Home / 3,431,872.80-5,151,956.40-1,916,762.40

Finding the Fourth Proportional to 3,431,872.80, 5,151,956.40 and 1,916,762.40

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Solution

The fourth proportional to 3,431,872.80, 5,151,956.40 and 1,916,762.40 is: 2,877,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,872.80 : 5,151,956.40 = 1,916,762.40 : x
  2. Step 2: Convert to fraction form
    3,431,872.80/5,151,956.40 = 1,916,762.40/x
  3. Step 3: Cross multiply
    3,431,872.80x = 5,151,956.40 × 1,916,762.40
  4. Step 4: Simplify right side
    3,431,872.80x = 9,875,076,313,959.36
  5. Step 5: Solve for x
    x = 9,875,076,313,959.36/3,431,872.80
  6. Step 6: Final answer
    x = 2,877,459.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.