Home / 2,076,384.30-3,111,223.05-1,175,145.90

Finding the Fourth Proportional to 2,076,384.30, 3,111,223.05 and 1,175,145.90

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Solution

The fourth proportional to 2,076,384.30, 3,111,223.05 and 1,175,145.90 is: 1,760,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,384.30 : 3,111,223.05 = 1,175,145.90 : x
  2. Step 2: Convert to fraction form
    2,076,384.30/3,111,223.05 = 1,175,145.90/x
  3. Step 3: Cross multiply
    2,076,384.30x = 3,111,223.05 × 1,175,145.90
  4. Step 4: Simplify right side
    2,076,384.30x = 3,656,141,011,192.99
  5. Step 5: Solve for x
    x = 3,656,141,011,192.99/2,076,384.30
  6. Step 6: Final answer
    x = 1,760,820.97

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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.