Home / 2,812,172.86-3,880,803.44-1,523,013.23

Finding the Fourth Proportional to 2,812,172.86, 3,880,803.44 and 1,523,013.23

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Solution

The fourth proportional to 2,812,172.86, 3,880,803.44 and 1,523,013.23 is: 2,101,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,172.86 : 3,880,803.44 = 1,523,013.23 : x
  2. Step 2: Convert to fraction form
    2,812,172.86/3,880,803.44 = 1,523,013.23/x
  3. Step 3: Cross multiply
    2,812,172.86x = 3,880,803.44 × 1,523,013.23
  4. Step 4: Simplify right side
    2,812,172.86x = 5,910,514,974,534.45
  5. Step 5: Solve for x
    x = 5,910,514,974,534.45/2,812,172.86
  6. Step 6: Final answer
    x = 2,101,760.91

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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.