Finding the Fourth Proportional to 6,539,013.19, 9,023,829.75 and 4,057,310.85
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Solution
The fourth proportional to 6,539,013.19, 9,023,829.75 and 4,057,310.85 is: 5,599,083.72
Step by Step Solution
- Step 1: Write the proportion equation
6,539,013.19 : 9,023,829.75 = 4,057,310.85 : x - Step 2: Convert to fraction form
6,539,013.19/9,023,829.75 = 4,057,310.85/x - Step 3: Cross multiply
6,539,013.19x = 9,023,829.75 × 4,057,310.85 - Step 4: Simplify right side
6,539,013.19x = 36,612,482,319,388.42 - Step 5: Solve for x
x = 36,612,482,319,388.42/6,539,013.19 - Step 6: Final answer
x = 5,599,083.72
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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.