Home / 1,993,088.50-2,989,632.75-646,377.64

Finding the Fourth Proportional to 1,993,088.50, 2,989,632.75 and 646,377.64

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Solution

The fourth proportional to 1,993,088.50, 2,989,632.75 and 646,377.64 is: 969,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,088.50 : 2,989,632.75 = 646,377.64 : x
  2. Step 2: Convert to fraction form
    1,993,088.50/2,989,632.75 = 646,377.64/x
  3. Step 3: Cross multiply
    1,993,088.50x = 2,989,632.75 × 646,377.64
  4. Step 4: Simplify right side
    1,993,088.50x = 1,932,431,761,411.71
  5. Step 5: Solve for x
    x = 1,932,431,761,411.71/1,993,088.50
  6. Step 6: Final answer
    x = 969,566.46

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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.