Finding the Fourth Proportional to 5,421,352.42, 7,481,566.16 and 2,974,088.44
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Solution
The fourth proportional to 5,421,352.42, 7,481,566.16 and 2,974,088.44 is: 4,104,296.81
Step by Step Solution
- Step 1: Write the proportion equation
5,421,352.42 : 7,481,566.16 = 2,974,088.44 : x - Step 2: Convert to fraction form
5,421,352.42/7,481,566.16 = 2,974,088.44/x - Step 3: Cross multiply
5,421,352.42x = 7,481,566.16 × 2,974,088.44 - Step 4: Simplify right side
5,421,352.42x = 22,250,839,429,551.19 - Step 5: Solve for x
x = 22,250,839,429,551.19/5,421,352.42 - Step 6: Final answer
x = 4,104,296.81
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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.