Finding the Fourth Proportional to 4,986,085.68, 7,473,223.62 and 2,288,136.96
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Solution
The fourth proportional to 4,986,085.68, 7,473,223.62 and 2,288,136.96 is: 3,429,495.66
Step by Step Solution
- Step 1: Write the proportion equation
4,986,085.68 : 7,473,223.62 = 2,288,136.96 : x - Step 2: Convert to fraction form
4,986,085.68/7,473,223.62 = 2,288,136.96/x - Step 3: Cross multiply
4,986,085.68x = 7,473,223.62 × 2,288,136.96 - Step 4: Simplify right side
4,986,085.68x = 17,099,759,175,267.00 - Step 5: Solve for x
x = 17,099,759,175,267.00/4,986,085.68 - Step 6: Final answer
x = 3,429,495.66
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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.