Finding the Fourth Proportional to 6,241,328.20, 9,361,992.30 and 1,981,829.80
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Solution
The fourth proportional to 6,241,328.20, 9,361,992.30 and 1,981,829.80 is: 2,972,744.70
Step by Step Solution
- Step 1: Write the proportion equation
6,241,328.20 : 9,361,992.30 = 1,981,829.80 : x - Step 2: Convert to fraction form
6,241,328.20/9,361,992.30 = 1,981,829.80/x - Step 3: Cross multiply
6,241,328.20x = 9,361,992.30 × 1,981,829.80 - Step 4: Simplify right side
6,241,328.20x = 18,553,875,327,510.54 - Step 5: Solve for x
x = 18,553,875,327,510.54/6,241,328.20 - Step 6: Final answer
x = 2,972,744.70
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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.