Finding the Fourth Proportional to 6,819,631.68, 9,411,045.36 and 3,763,845.84
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Solution
The fourth proportional to 6,819,631.68, 9,411,045.36 and 3,763,845.84 is: 5,194,081.67
Step by Step Solution
- Step 1: Write the proportion equation
6,819,631.68 : 9,411,045.36 = 3,763,845.84 : x - Step 2: Convert to fraction form
6,819,631.68/9,411,045.36 = 3,763,845.84/x - Step 3: Cross multiply
6,819,631.68x = 9,411,045.36 × 3,763,845.84 - Step 4: Simplify right side
6,819,631.68x = 35,421,723,928,287.30 - Step 5: Solve for x
x = 35,421,723,928,287.30/6,819,631.68 - Step 6: Final answer
x = 5,194,081.67
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1.5x scale
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.