Finding the Fourth Proportional to 7,181,259.57, 10,762,582.45 and 2,916,473.49
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Solution
The fourth proportional to 7,181,259.57, 10,762,582.45 and 2,916,473.49 is: 4,370,930.49
Step by Step Solution
- Step 1: Write the proportion equation
7,181,259.57 : 10,762,582.45 = 2,916,473.49 : x - Step 2: Convert to fraction form
7,181,259.57/10,762,582.45 = 2,916,473.49/x - Step 3: Cross multiply
7,181,259.57x = 10,762,582.45 × 2,916,473.49 - Step 4: Simplify right side
7,181,259.57x = 31,388,786,399,364.25 - Step 5: Solve for x
x = 31,388,786,399,364.25/7,181,259.57 - Step 6: Final answer
x = 4,370,930.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.