Finding the Fourth Proportional to 6,192,219.84, 8,545,547.28 and 3,438,919.92
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Solution
The fourth proportional to 6,192,219.84, 8,545,547.28 and 3,438,919.92 is: 4,745,867.16
Step by Step Solution
- Step 1: Write the proportion equation
6,192,219.84 : 8,545,547.28 = 3,438,919.92 : x - Step 2: Convert to fraction form
6,192,219.84/8,545,547.28 = 3,438,919.92/x - Step 3: Cross multiply
6,192,219.84x = 8,545,547.28 × 3,438,919.92 - Step 4: Simplify right side
6,192,219.84x = 29,387,452,768,493.82 - Step 5: Solve for x
x = 29,387,452,768,493.82/6,192,219.84 - Step 6: Final answer
x = 4,745,867.16
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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.