Finding the Fourth Proportional to 5,153,216.88, 7,695,123.19 and 4,208,461.68
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Solution
The fourth proportional to 5,153,216.88, 7,695,123.19 and 4,208,461.68 is: 6,284,352.44
Step by Step Solution
- Step 1: Write the proportion equation
5,153,216.88 : 7,695,123.19 = 4,208,461.68 : x - Step 2: Convert to fraction form
5,153,216.88/7,695,123.19 = 4,208,461.68/x - Step 3: Cross multiply
5,153,216.88x = 7,695,123.19 × 4,208,461.68 - Step 4: Simplify right side
5,153,216.88x = 32,384,631,067,994.36 - Step 5: Solve for x
x = 32,384,631,067,994.36/5,153,216.88 - Step 6: Final answer
x = 6,284,352.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.