Finding the Fourth Proportional to 5,090,607.02, 7,024,858.20 and 2,798,750.09
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Solution
The fourth proportional to 5,090,607.02, 7,024,858.20 and 2,798,750.09 is: 3,862,176.45
Step by Step Solution
- Step 1: Write the proportion equation
5,090,607.02 : 7,024,858.20 = 2,798,750.09 : x - Step 2: Convert to fraction form
5,090,607.02/7,024,858.20 = 2,798,750.09/x - Step 3: Cross multiply
5,090,607.02x = 7,024,858.20 × 2,798,750.09 - Step 4: Simplify right side
5,090,607.02x = 19,660,822,537,049.38 - Step 5: Solve for x
x = 19,660,822,537,049.38/5,090,607.02 - Step 6: Final answer
x = 3,862,176.45
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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.