Home / 1,970,144.37-2,955,384.23-621,946.35

Finding the Fourth Proportional to 1,970,144.37, 2,955,384.23 and 621,946.35

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Solution

The fourth proportional to 1,970,144.37, 2,955,384.23 and 621,946.35 is: 932,972.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,144.37 : 2,955,384.23 = 621,946.35 : x
  2. Step 2: Convert to fraction form
    1,970,144.37/2,955,384.23 = 621,946.35/x
  3. Step 3: Cross multiply
    1,970,144.37x = 2,955,384.23 × 621,946.35
  4. Step 4: Simplify right side
    1,970,144.37x = 1,838,090,431,586.33
  5. Step 5: Solve for x
    x = 1,838,090,431,586.33/1,970,144.37
  6. Step 6: Final answer
    x = 932,972.46

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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.