Finding the Fourth Proportional to 5,839,620.19, 8,000,145.80 and 5,621,292.38
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Solution
The fourth proportional to 5,839,620.19, 8,000,145.80 and 5,621,292.38 is: 7,701,041.70
Step by Step Solution
- Step 1: Write the proportion equation
5,839,620.19 : 8,000,145.80 = 5,621,292.38 : x - Step 2: Convert to fraction form
5,839,620.19/8,000,145.80 = 5,621,292.38/x - Step 3: Cross multiply
5,839,620.19x = 8,000,145.80 × 5,621,292.38 - Step 4: Simplify right side
5,839,620.19x = 44,971,158,624,429 - Step 5: Solve for x
x = 44,971,158,624,429/5,839,620.19 - Step 6: Final answer
x = 7,701,041.70
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.