Finding the Fourth Proportional to 6,415,238.48, 9,596,263.80 and 4,887,361.40
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Solution
The fourth proportional to 6,415,238.48, 9,596,263.80 and 4,887,361.40 is: 7,310,781.89
Step by Step Solution
- Step 1: Write the proportion equation
6,415,238.48 : 9,596,263.80 = 4,887,361.40 : x - Step 2: Convert to fraction form
6,415,238.48/9,596,263.80 = 4,887,361.40/x - Step 3: Cross multiply
6,415,238.48x = 9,596,263.80 × 4,887,361.40 - Step 4: Simplify right side
6,415,238.48x = 46,900,409,304,327.98 - Step 5: Solve for x
x = 46,900,409,304,327.98/6,415,238.48 - Step 6: Final answer
x = 7,310,781.89
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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.