Home / 2,812,240.78-3,880,888.95-1,523,080.42

Finding the Fourth Proportional to 2,812,240.78, 3,880,888.95 and 1,523,080.42

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Solution

The fourth proportional to 2,812,240.78, 3,880,888.95 and 1,523,080.42 is: 2,101,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,240.78 : 3,880,888.95 = 1,523,080.42 : x
  2. Step 2: Convert to fraction form
    2,812,240.78/3,880,888.95 = 1,523,080.42/x
  3. Step 3: Cross multiply
    2,812,240.78x = 3,880,888.95 × 1,523,080.42
  4. Step 4: Simplify right side
    2,812,240.78x = 5,910,905,971,939.36
  5. Step 5: Solve for x
    x = 5,910,905,971,939.36/2,812,240.78
  6. Step 6: Final answer
    x = 2,101,849.18

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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.