Finding the Fourth Proportional to 5,239,086.84, 7,858,630.62 and 1,452,569.82
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Solution
The fourth proportional to 5,239,086.84, 7,858,630.62 and 1,452,569.82 is: 2,178,854.83
Step by Step Solution
- Step 1: Write the proportion equation
5,239,086.84 : 7,858,630.62 = 1,452,569.82 : x - Step 2: Convert to fraction form
5,239,086.84/7,858,630.62 = 1,452,569.82/x - Step 3: Cross multiply
5,239,086.84x = 7,858,630.62 × 1,452,569.82 - Step 4: Simplify right side
5,239,086.84x = 11,415,209,665,139.89 - Step 5: Solve for x
x = 11,415,209,665,139.89/5,239,086.84 - Step 6: Final answer
x = 2,178,854.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.