Finding the Fourth Proportional to 7,263,004.70, 10,894,507.05 and 4,428,652.70
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Solution
The fourth proportional to 7,263,004.70, 10,894,507.05 and 4,428,652.70 is: 6,642,979.05
Step by Step Solution
- Step 1: Write the proportion equation
7,263,004.70 : 10,894,507.05 = 4,428,652.70 : x - Step 2: Convert to fraction form
7,263,004.70/10,894,507.05 = 4,428,652.70/x - Step 3: Cross multiply
7,263,004.70x = 10,894,507.05 × 4,428,652.70 - Step 4: Simplify right side
7,263,004.70x = 48,247,988,062,151.54 - Step 5: Solve for x
x = 48,247,988,062,151.54/7,263,004.70 - Step 6: Final answer
x = 6,642,979.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.