Finding the Fourth Proportional to 6,819,633.68, 9,411,048.12 and 3,763,847.84
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Solution
The fourth proportional to 6,819,633.68, 9,411,048.12 and 3,763,847.84 is: 5,194,084.43
Step by Step Solution
- Step 1: Write the proportion equation
6,819,633.68 : 9,411,048.12 = 3,763,847.84 : x - Step 2: Convert to fraction form
6,819,633.68/9,411,048.12 = 3,763,847.84/x - Step 3: Cross multiply
6,819,633.68x = 9,411,048.12 × 3,763,847.84 - Step 4: Simplify right side
6,819,633.68x = 35,421,753,138,598.05 - Step 5: Solve for x
x = 35,421,753,138,598.05/6,819,633.68 - Step 6: Final answer
x = 5,194,084.43
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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.