Finding the Fourth Proportional to 1,568,572.14, 2,164,629.36 and 889,508.64
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Solution
The fourth proportional to 1,568,572.14, 2,164,629.36 and 889,508.64 is: 1,227,521.81
Step by Step Solution
- Step 1: Write the proportion equation
1,568,572.14 : 2,164,629.36 = 889,508.64 : x - Step 2: Convert to fraction form
1,568,572.14/2,164,629.36 = 889,508.64/x - Step 3: Cross multiply
1,568,572.14x = 2,164,629.36 × 889,508.64 - Step 4: Simplify right side
1,568,572.14x = 1,925,456,518,117.67 - Step 5: Solve for x
x = 1,925,456,518,117.67/1,568,572.14 - Step 6: Final answer
x = 1,227,521.81
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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.