Finding the Fourth Proportional to 1,568,684.81, 2,164,785.08 and 889,621.31
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Solution
The fourth proportional to 1,568,684.81, 2,164,785.08 and 889,621.31 is: 1,227,677.43
Step by Step Solution
- Step 1: Write the proportion equation
1,568,684.81 : 2,164,785.08 = 889,621.31 : x - Step 2: Convert to fraction form
1,568,684.81/2,164,785.08 = 889,621.31/x - Step 3: Cross multiply
1,568,684.81x = 2,164,785.08 × 889,621.31 - Step 4: Simplify right side
1,568,684.81x = 1,925,838,939,701.91 - Step 5: Solve for x
x = 1,925,838,939,701.91/1,568,684.81 - Step 6: Final answer
x = 1,227,677.43
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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.