Finding the Fourth Proportional to 1,686,058.75, 2,326,762.90 and 922,114.14
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Solution
The fourth proportional to 1,686,058.75, 2,326,762.90 and 922,114.14 is: 1,272,518.51
Step by Step Solution
- Step 1: Write the proportion equation
1,686,058.75 : 2,326,762.90 = 922,114.14 : x - Step 2: Convert to fraction form
1,686,058.75/2,326,762.90 = 922,114.14/x - Step 3: Cross multiply
1,686,058.75x = 2,326,762.90 × 922,114.14 - Step 4: Simplify right side
1,686,058.75x = 2,145,540,970,517.41 - Step 5: Solve for x
x = 2,145,540,970,517.41/1,686,058.75 - Step 6: Final answer
x = 1,272,518.51
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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.