Finding the Fourth Proportional to 5,416,243.18, 7,461,853.62 and 3,782,062.11
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Solution
The fourth proportional to 5,416,243.18, 7,461,853.62 and 3,782,062.11 is: 5,210,473.92
Step by Step Solution
- Step 1: Write the proportion equation
5,416,243.18 : 7,461,853.62 = 3,782,062.11 : x - Step 2: Convert to fraction form
5,416,243.18/7,461,853.62 = 3,782,062.11/x - Step 3: Cross multiply
5,416,243.18x = 7,461,853.62 × 3,782,062.11 - Step 4: Simplify right side
5,416,243.18x = 28,221,193,834,565.75 - Step 5: Solve for x
x = 28,221,193,834,565.75/5,416,243.18 - Step 6: Final answer
x = 5,210,473.92
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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.