Finding the Fourth Proportional to 1,686,135.66, 2,326,867.26 and 922,189.22
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Solution
The fourth proportional to 1,686,135.66, 2,326,867.26 and 922,189.22 is: 1,272,621.15
Step by Step Solution
- Step 1: Write the proportion equation
1,686,135.66 : 2,326,867.26 = 922,189.22 : x - Step 2: Convert to fraction form
1,686,135.66/2,326,867.26 = 922,189.22/x - Step 3: Cross multiply
1,686,135.66x = 2,326,867.26 × 922,189.22 - Step 4: Simplify right side
1,686,135.66x = 2,145,811,897,176.14 - Step 5: Solve for x
x = 2,145,811,897,176.14/1,686,135.66 - Step 6: Final answer
x = 1,272,621.15
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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.