Finding the Fourth Proportional to 5,167,809.23, 7,131,506.63 and 2,875,969.91
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Solution
The fourth proportional to 5,167,809.23, 7,131,506.63 and 2,875,969.91 is: 3,968,799.46
Step by Step Solution
- Step 1: Write the proportion equation
5,167,809.23 : 7,131,506.63 = 2,875,969.91 : x - Step 2: Convert to fraction form
5,167,809.23/7,131,506.63 = 2,875,969.91/x - Step 3: Cross multiply
5,167,809.23x = 7,131,506.63 × 2,875,969.91 - Step 4: Simplify right side
5,167,809.23x = 20,509,998,484,294.42 - Step 5: Solve for x
x = 20,509,998,484,294.42/5,167,809.23 - Step 6: Final answer
x = 3,968,799.46
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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.