Finding the Fourth Proportional to 5,228,887.77, 7,819,252.77 and 4,973,796.09
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Solution
The fourth proportional to 5,228,887.77, 7,819,252.77 and 4,973,796.09 is: 7,437,789.94
Step by Step Solution
- Step 1: Write the proportion equation
5,228,887.77 : 7,819,252.77 = 4,973,796.09 : x - Step 2: Convert to fraction form
5,228,887.77/7,819,252.77 = 4,973,796.09/x - Step 3: Cross multiply
5,228,887.77x = 7,819,252.77 × 4,973,796.09 - Step 4: Simplify right side
5,228,887.77x = 38,891,368,854,147.66 - Step 5: Solve for x
x = 38,891,368,854,147.66/5,228,887.77 - Step 6: Final answer
x = 7,437,789.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.