Finding the Fourth Proportional to 5,409,351.12, 7,465,405.32 and 2,994,903.12
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Solution
The fourth proportional to 5,409,351.12, 7,465,405.32 and 2,994,903.12 is: 4,133,243.56
Step by Step Solution
- Step 1: Write the proportion equation
5,409,351.12 : 7,465,405.32 = 2,994,903.12 : x - Step 2: Convert to fraction form
5,409,351.12/7,465,405.32 = 2,994,903.12/x - Step 3: Cross multiply
5,409,351.12x = 7,465,405.32 × 2,994,903.12 - Step 4: Simplify right side
5,409,351.12x = 22,358,165,684,932.60 - Step 5: Solve for x
x = 22,358,165,684,932.60/5,409,351.12 - Step 6: Final answer
x = 4,133,243.56
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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.