Finding the Fourth Proportional to 5,361,850.27, 7,399,405.95 and 2,914,459.80
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Solution
The fourth proportional to 5,361,850.27, 7,399,405.95 and 2,914,459.80 is: 4,021,983.10
Step by Step Solution
- Step 1: Write the proportion equation
5,361,850.27 : 7,399,405.95 = 2,914,459.80 : x - Step 2: Convert to fraction form
5,361,850.27/7,399,405.95 = 2,914,459.80/x - Step 3: Cross multiply
5,361,850.27x = 7,399,405.95 × 2,914,459.80 - Step 4: Simplify right side
5,361,850.27x = 21,565,271,185,155.81 - Step 5: Solve for x
x = 21,565,271,185,155.81/5,361,850.27 - Step 6: Final answer
x = 4,021,983.10
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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.