Finding the Fourth Proportional to 2,678,241.21, 4,018,358.26 and 1,239,623.04
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Solution
The fourth proportional to 2,678,241.21, 4,018,358.26 and 1,239,623.04 is: 1,859,895.76
Step by Step Solution
- Step 1: Write the proportion equation
2,678,241.21 : 4,018,358.26 = 1,239,623.04 : x - Step 2: Convert to fraction form
2,678,241.21/4,018,358.26 = 1,239,623.04/x - Step 3: Cross multiply
2,678,241.21x = 4,018,358.26 × 1,239,623.04 - Step 4: Simplify right side
2,678,241.21x = 4,981,249,476,085.42 - Step 5: Solve for x
x = 4,981,249,476,085.42/2,678,241.21 - Step 6: Final answer
x = 1,859,895.76
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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.