Finding the Fourth Proportional to 3,389,385.87, 4,677,355.13 and 1,840,618.08
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Solution
The fourth proportional to 3,389,385.87, 4,677,355.13 and 1,840,618.08 is: 2,540,054.38
Step by Step Solution
- Step 1: Write the proportion equation
3,389,385.87 : 4,677,355.13 = 1,840,618.08 : x - Step 2: Convert to fraction form
3,389,385.87/4,677,355.13 = 1,840,618.08/x - Step 3: Cross multiply
3,389,385.87x = 4,677,355.13 × 1,840,618.08 - Step 4: Simplify right side
3,389,385.87x = 8,609,224,409,655.66 - Step 5: Solve for x
x = 8,609,224,409,655.66/3,389,385.87 - Step 6: Final answer
x = 2,540,054.38
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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.