Finding the Fourth Proportional to 4,238,136.42, 6,361,200.09 and 1,545,064.62
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Solution
The fourth proportional to 4,238,136.42, 6,361,200.09 and 1,545,064.62 is: 2,319,053.52
Step by Step Solution
- Step 1: Write the proportion equation
4,238,136.42 : 6,361,200.09 = 1,545,064.62 : x - Step 2: Convert to fraction form
4,238,136.42/6,361,200.09 = 1,545,064.62/x - Step 3: Cross multiply
4,238,136.42x = 6,361,200.09 × 1,545,064.62 - Step 4: Simplify right side
4,238,136.42x = 9,828,465,199,799.82 - Step 5: Solve for x
x = 9,828,465,199,799.82/4,238,136.42 - Step 6: Final answer
x = 2,319,053.52
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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.