Finding the Fourth Proportional to 2,596,055, 3,580,228.77 and 2,161,909.99
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Solution
The fourth proportional to 2,596,055, 3,580,228.77 and 2,161,909.99 is: 2,981,497.82
Step by Step Solution
- Step 1: Write the proportion equation
2,596,055 : 3,580,228.77 = 2,161,909.99 : x - Step 2: Convert to fraction form
2,596,055/3,580,228.77 = 2,161,909.99/x - Step 3: Cross multiply
2,596,055x = 3,580,228.77 × 2,161,909.99 - Step 4: Simplify right side
2,596,055x = 7,740,132,326,447.27 - Step 5: Solve for x
x = 7,740,132,326,447.27/2,596,055 - Step 6: Final answer
x = 2,981,497.82
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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.