Finding the Fourth Proportional to 3,058,383.47, 4,220,479.96 and 1,681,725.75
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Solution
The fourth proportional to 3,058,383.47, 4,220,479.96 and 1,681,725.75 is: 2,320,732.47
Step by Step Solution
- Step 1: Write the proportion equation
3,058,383.47 : 4,220,479.96 = 1,681,725.75 : x - Step 2: Convert to fraction form
3,058,383.47/4,220,479.96 = 1,681,725.75/x - Step 3: Cross multiply
3,058,383.47x = 4,220,479.96 × 1,681,725.75 - Step 4: Simplify right side
3,058,383.47x = 7,097,689,826,090.97 - Step 5: Solve for x
x = 7,097,689,826,090.97/3,058,383.47 - Step 6: Final answer
x = 2,320,732.47
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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.