Finding the Fourth Proportional to 1,507,408.90, 2,080,403.94 and 863,036.08
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Solution
The fourth proportional to 1,507,408.90, 2,080,403.94 and 863,036.08 is: 1,191,092.65
Step by Step Solution
- Step 1: Write the proportion equation
1,507,408.90 : 2,080,403.94 = 863,036.08 : x - Step 2: Convert to fraction form
1,507,408.90/2,080,403.94 = 863,036.08/x - Step 3: Cross multiply
1,507,408.90x = 2,080,403.94 × 863,036.08 - Step 4: Simplify right side
1,507,408.90x = 1,795,463,661,194.16 - Step 5: Solve for x
x = 1,795,463,661,194.16/1,507,408.90 - Step 6: Final answer
x = 1,191,092.65
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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.