Finding the Fourth Proportional to 5,374,536.84, 7,423,959.38 and 3,981,927.74
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Solution
The fourth proportional to 5,374,536.84, 7,423,959.38 and 3,981,927.74 is: 5,500,319.49
Step by Step Solution
- Step 1: Write the proportion equation
5,374,536.84 : 7,423,959.38 = 3,981,927.74 : x - Step 2: Convert to fraction form
5,374,536.84/7,423,959.38 = 3,981,927.74/x - Step 3: Cross multiply
5,374,536.84x = 7,423,959.38 × 3,981,927.74 - Step 4: Simplify right side
5,374,536.84x = 29,561,669,738,825.77 - Step 5: Solve for x
x = 29,561,669,738,825.77/5,374,536.84 - Step 6: Final answer
x = 5,500,319.49
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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.