Finding the Fourth Proportional to 3,875,656.74, 5,348,367.63 and 2,156,747.82
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Solution
The fourth proportional to 3,875,656.74, 5,348,367.63 and 2,156,747.82 is: 2,976,290.47
Step by Step Solution
- Step 1: Write the proportion equation
3,875,656.74 : 5,348,367.63 = 2,156,747.82 : x - Step 2: Convert to fraction form
3,875,656.74/5,348,367.63 = 2,156,747.82/x - Step 3: Cross multiply
3,875,656.74x = 5,348,367.63 × 2,156,747.82 - Step 4: Simplify right side
3,875,656.74x = 11,535,080,226,561.07 - Step 5: Solve for x
x = 11,535,080,226,561.07/3,875,656.74 - Step 6: Final answer
x = 2,976,290.47
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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.