Finding the Fourth Proportional to 5,357,125.16, 7,392,886.97 and 2,909,784
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Solution
The fourth proportional to 5,357,125.16, 7,392,886.97 and 2,909,784 is: 4,015,531.39
Step by Step Solution
- Step 1: Write the proportion equation
5,357,125.16 : 7,392,886.97 = 2,909,784 : x - Step 2: Convert to fraction form
5,357,125.16/7,392,886.97 = 2,909,784/x - Step 3: Cross multiply
5,357,125.16x = 7,392,886.97 × 2,909,784 - Step 4: Simplify right side
5,357,125.16x = 21,511,704,219,114.48 - Step 5: Solve for x
x = 21,511,704,219,114.48/5,357,125.16 - Step 6: Final answer
x = 4,015,531.39
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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.