Finding the Fourth Proportional to 2,000,716.48, 2,760,235.02 and 1,312,768.06
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Solution
The fourth proportional to 2,000,716.48, 2,760,235.02 and 1,312,768.06 is: 1,811,125.37
Step by Step Solution
- Step 1: Write the proportion equation
2,000,716.48 : 2,760,235.02 = 1,312,768.06 : x - Step 2: Convert to fraction form
2,000,716.48/2,760,235.02 = 1,312,768.06/x - Step 3: Cross multiply
2,000,716.48x = 2,760,235.02 × 1,312,768.06 - Step 4: Simplify right side
2,000,716.48x = 3,623,548,372,349.46 - Step 5: Solve for x
x = 3,623,548,372,349.46/2,000,716.48 - Step 6: Final answer
x = 1,811,125.37
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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.