Finding the Fourth Proportional to 4,990,631.51, 6,887,074.34 and 2,698,792
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Solution
The fourth proportional to 4,990,631.51, 6,887,074.34 and 2,698,792 is: 3,724,334.50
Step by Step Solution
- Step 1: Write the proportion equation
4,990,631.51 : 6,887,074.34 = 2,698,792 : x - Step 2: Convert to fraction form
4,990,631.51/6,887,074.34 = 2,698,792/x - Step 3: Cross multiply
4,990,631.51x = 6,887,074.34 × 2,698,792 - Step 4: Simplify right side
4,990,631.51x = 18,586,781,132,197.28 - Step 5: Solve for x
x = 18,586,781,132,197.28/4,990,631.51 - Step 6: Final answer
x = 3,724,334.50
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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.