Finding the Fourth Proportional to 7,117,530.86, 9,822,197.82 and 3,854,349.14
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Solution
The fourth proportional to 7,117,530.86, 9,822,197.82 and 3,854,349.14 is: 5,319,004.65
Step by Step Solution
- Step 1: Write the proportion equation
7,117,530.86 : 9,822,197.82 = 3,854,349.14 : x - Step 2: Convert to fraction form
7,117,530.86/9,822,197.82 = 3,854,349.14/x - Step 3: Cross multiply
7,117,530.86x = 9,822,197.82 × 3,854,349.14 - Step 4: Simplify right side
7,117,530.86x = 37,858,179,720,426.88 - Step 5: Solve for x
x = 37,858,179,720,426.88/7,117,530.86 - Step 6: Final answer
x = 5,319,004.65
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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.