Finding the Fourth Proportional to 1,970,231.19, 2,955,346.79 and 1,521,606.42
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Solution
The fourth proportional to 1,970,231.19, 2,955,346.79 and 1,521,606.42 is: 2,282,409.63
Step by Step Solution
- Step 1: Write the proportion equation
1,970,231.19 : 2,955,346.79 = 1,521,606.42 : x - Step 2: Convert to fraction form
1,970,231.19/2,955,346.79 = 1,521,606.42/x - Step 3: Cross multiply
1,970,231.19x = 2,955,346.79 × 1,521,606.42 - Step 4: Simplify right side
1,970,231.19x = 4,496,874,648,990.39 - Step 5: Solve for x
x = 4,496,874,648,990.39/1,970,231.19 - Step 6: Final answer
x = 2,282,409.63
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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.