Finding the Fourth Proportional to 1,382,090.14, 1,906,411.44 and 951,622.66
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Solution
The fourth proportional to 1,382,090.14, 1,906,411.44 and 951,622.66 is: 1,312,638.21
Step by Step Solution
- Step 1: Write the proportion equation
1,382,090.14 : 1,906,411.44 = 951,622.66 : x - Step 2: Convert to fraction form
1,382,090.14/1,906,411.44 = 951,622.66/x - Step 3: Cross multiply
1,382,090.14x = 1,906,411.44 × 951,622.66 - Step 4: Simplify right side
1,382,090.14x = 1,814,184,325,587.23 - Step 5: Solve for x
x = 1,814,184,325,587.23/1,382,090.14 - Step 6: Final answer
x = 1,312,638.21
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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.