Finding the Fourth Proportional to 4,985,700.75, 6,880,795.99 and 2,922,449.93
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Solution
The fourth proportional to 4,985,700.75, 6,880,795.99 and 2,922,449.93 is: 4,033,290.96
Step by Step Solution
- Step 1: Write the proportion equation
4,985,700.75 : 6,880,795.99 = 2,922,449.93 : x - Step 2: Convert to fraction form
4,985,700.75/6,880,795.99 = 2,922,449.93/x - Step 3: Cross multiply
4,985,700.75x = 6,880,795.99 × 2,922,449.93 - Step 4: Simplify right side
4,985,700.75x = 20,108,781,759,319.78 - Step 5: Solve for x
x = 20,108,781,759,319.78/4,985,700.75 - Step 6: Final answer
x = 4,033,290.96
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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.