Finding the Fourth Proportional to 4,839,517.42, 6,679,944.35 and 3,163,344.07
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Solution
The fourth proportional to 4,839,517.42, 6,679,944.35 and 3,163,344.07 is: 4,366,336.67
Step by Step Solution
- Step 1: Write the proportion equation
4,839,517.42 : 6,679,944.35 = 3,163,344.07 : x - Step 2: Convert to fraction form
4,839,517.42/6,679,944.35 = 3,163,344.07/x - Step 3: Cross multiply
4,839,517.42x = 6,679,944.35 × 3,163,344.07 - Step 4: Simplify right side
4,839,517.42x = 21,130,962,356,294.00 - Step 5: Solve for x
x = 21,130,962,356,294.00/4,839,517.42 - Step 6: Final answer
x = 4,366,336.67
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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.