Home / 1,932,384.40-2,898,576.60-1,223,213.20

Finding the Fourth Proportional to 1,932,384.40, 2,898,576.60 and 1,223,213.20

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Solution

The fourth proportional to 1,932,384.40, 2,898,576.60 and 1,223,213.20 is: 1,834,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,384.40 : 2,898,576.60 = 1,223,213.20 : x
  2. Step 2: Convert to fraction form
    1,932,384.40/2,898,576.60 = 1,223,213.20/x
  3. Step 3: Cross multiply
    1,932,384.40x = 2,898,576.60 × 1,223,213.20
  4. Step 4: Simplify right side
    1,932,384.40x = 3,545,577,158,331.12
  5. Step 5: Solve for x
    x = 3,545,577,158,331.12/1,932,384.40
  6. Step 6: Final answer
    x = 1,834,819.80

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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.