Finding the Fourth Proportional to 3,431,599.98, 4,735,613.55 and 1,903,707.12
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Solution
The fourth proportional to 3,431,599.98, 4,735,613.55 and 1,903,707.12 is: 2,627,118.92
Step by Step Solution
- Step 1: Write the proportion equation
3,431,599.98 : 4,735,613.55 = 1,903,707.12 : x - Step 2: Convert to fraction form
3,431,599.98/4,735,613.55 = 1,903,707.12/x - Step 3: Cross multiply
3,431,599.98x = 4,735,613.55 × 1,903,707.12 - Step 4: Simplify right side
3,431,599.98x = 9,015,221,232,703.48 - Step 5: Solve for x
x = 9,015,221,232,703.48/3,431,599.98 - Step 6: Final answer
x = 2,627,118.92
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1.5x scale
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.