Finding the Fourth Proportional to 5,090,212.44, 7,024,497.66 and 2,798,412.12
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Solution
The fourth proportional to 5,090,212.44, 7,024,497.66 and 2,798,412.12 is: 3,861,811.20
Step by Step Solution
- Step 1: Write the proportion equation
5,090,212.44 : 7,024,497.66 = 2,798,412.12 : x - Step 2: Convert to fraction form
5,090,212.44/7,024,497.66 = 2,798,412.12/x - Step 3: Cross multiply
5,090,212.44x = 7,024,497.66 × 2,798,412.12 - Step 4: Simplify right side
5,090,212.44x = 19,657,439,388,655.64 - Step 5: Solve for x
x = 19,657,439,388,655.64/5,090,212.44 - Step 6: Final answer
x = 3,861,811.20
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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.