Finding the Fourth Proportional to 1,610,506.80, 2,222,503.92 and 922,189.05
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Solution
The fourth proportional to 1,610,506.80, 2,222,503.92 and 922,189.05 is: 1,272,623.49
Step by Step Solution
- Step 1: Write the proportion equation
1,610,506.80 : 2,222,503.92 = 922,189.05 : x - Step 2: Convert to fraction form
1,610,506.80/2,222,503.92 = 922,189.05/x - Step 3: Cross multiply
1,610,506.80x = 2,222,503.92 × 922,189.05 - Step 4: Simplify right side
1,610,506.80x = 2,049,568,778,606.08 - Step 5: Solve for x
x = 2,049,568,778,606.08/1,610,506.80 - Step 6: Final answer
x = 1,272,623.49
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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.