Finding the Fourth Proportional to 6,926,523.84, 10,389,785.76 and 1,877,703.12
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Solution
The fourth proportional to 6,926,523.84, 10,389,785.76 and 1,877,703.12 is: 2,816,554.68
Step by Step Solution
- Step 1: Write the proportion equation
6,926,523.84 : 10,389,785.76 = 1,877,703.12 : x - Step 2: Convert to fraction form
6,926,523.84/10,389,785.76 = 1,877,703.12/x - Step 3: Cross multiply
6,926,523.84x = 10,389,785.76 × 1,877,703.12 - Step 4: Simplify right side
6,926,523.84x = 19,508,933,137,683.57 - Step 5: Solve for x
x = 19,508,933,137,683.57/6,926,523.84 - Step 6: Final answer
x = 2,816,554.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.