Finding the Fourth Proportional to 6,389,149.68, 8,816,970.96 and 3,488,526.72
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Solution
The fourth proportional to 6,389,149.68, 8,816,970.96 and 3,488,526.72 is: 4,814,136.52
Step by Step Solution
- Step 1: Write the proportion equation
6,389,149.68 : 8,816,970.96 = 3,488,526.72 : x - Step 2: Convert to fraction form
6,389,149.68/8,816,970.96 = 3,488,526.72/x - Step 3: Cross multiply
6,389,149.68x = 8,816,970.96 × 3,488,526.72 - Step 4: Simplify right side
6,389,149.68x = 30,758,238,783,424.05 - Step 5: Solve for x
x = 30,758,238,783,424.05/6,389,149.68 - Step 6: Final answer
x = 4,814,136.52
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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.