Finding the Fourth Proportional to 1,669,871.80, 2,302,999.01 and 1,283,622.99
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Solution
The fourth proportional to 1,669,871.80, 2,302,999.01 and 1,283,622.99 is: 1,770,305.05
Step by Step Solution
- Step 1: Write the proportion equation
1,669,871.80 : 2,302,999.01 = 1,283,622.99 : x - Step 2: Convert to fraction form
1,669,871.80/2,302,999.01 = 1,283,622.99/x - Step 3: Cross multiply
1,669,871.80x = 2,302,999.01 × 1,283,622.99 - Step 4: Simplify right side
1,669,871.80x = 2,956,182,478,392.30 - Step 5: Solve for x
x = 2,956,182,478,392.30/1,669,871.80 - Step 6: Final answer
x = 1,770,305.05
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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.