Finding the Fourth Proportional to 6,306,821.19, 8,693,191.35 and 4,927,759.74
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Solution
The fourth proportional to 6,306,821.19, 8,693,191.35 and 4,927,759.74 is: 6,792,321.69
Step by Step Solution
- Step 1: Write the proportion equation
6,306,821.19 : 8,693,191.35 = 4,927,759.74 : x - Step 2: Convert to fraction form
6,306,821.19/8,693,191.35 = 4,927,759.74/x - Step 3: Cross multiply
6,306,821.19x = 8,693,191.35 × 4,927,759.74 - Step 4: Simplify right side
6,306,821.19x = 42,837,958,346,646.25 - Step 5: Solve for x
x = 42,837,958,346,646.25/6,306,821.19 - Step 6: Final answer
x = 6,792,321.69
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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.