Finding the Fourth Proportional to 5,437,822.47, 7,504,387.57 and 2,990,622.93
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Solution
The fourth proportional to 5,437,822.47, 7,504,387.57 and 2,990,622.93 is: 4,127,165.55
Step by Step Solution
- Step 1: Write the proportion equation
5,437,822.47 : 7,504,387.57 = 2,990,622.93 : x - Step 2: Convert to fraction form
5,437,822.47/7,504,387.57 = 2,990,622.93/x - Step 3: Cross multiply
5,437,822.47x = 7,504,387.57 × 2,990,622.93 - Step 4: Simplify right side
5,437,822.47x = 22,442,793,542,448.98 - Step 5: Solve for x
x = 22,442,793,542,448.98/5,437,822.47 - Step 6: Final answer
x = 4,127,165.55
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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.