Finding the Fourth Proportional to 5,106,921.12, 7,047,598.56 and 2,815,164
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Solution
The fourth proportional to 5,106,921.12, 7,047,598.56 and 2,815,164 is: 3,884,952.46
Step by Step Solution
- Step 1: Write the proportion equation
5,106,921.12 : 7,047,598.56 = 2,815,164 : x - Step 2: Convert to fraction form
5,106,921.12/7,047,598.56 = 2,815,164/x - Step 3: Cross multiply
5,106,921.12x = 7,047,598.56 × 2,815,164 - Step 4: Simplify right side
5,106,921.12x = 19,840,145,752,563.84 - Step 5: Solve for x
x = 19,840,145,752,563.84/5,106,921.12 - Step 6: Final answer
x = 3,884,952.46
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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.