Finding the Fourth Proportional to 5,062,107.05, 6,985,703.18 and 2,857,434.03
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Solution
The fourth proportional to 5,062,107.05, 6,985,703.18 and 2,857,434.03 is: 3,943,256.40
Step by Step Solution
- Step 1: Write the proportion equation
5,062,107.05 : 6,985,703.18 = 2,857,434.03 : x - Step 2: Convert to fraction form
5,062,107.05/6,985,703.18 = 2,857,434.03/x - Step 3: Cross multiply
5,062,107.05x = 6,985,703.18 × 2,857,434.03 - Step 4: Simplify right side
5,062,107.05x = 19,961,185,997,154.80 - Step 5: Solve for x
x = 19,961,185,997,154.80/5,062,107.05 - Step 6: Final answer
x = 3,943,256.40
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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.