Finding the Fourth Proportional to 2,886,058.56, 3,982,699.35 and 1,579,305.42
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Solution
The fourth proportional to 2,886,058.56, 3,982,699.35 and 1,579,305.42 is: 2,179,407.85
Step by Step Solution
- Step 1: Write the proportion equation
2,886,058.56 : 3,982,699.35 = 1,579,305.42 : x - Step 2: Convert to fraction form
2,886,058.56/3,982,699.35 = 1,579,305.42/x - Step 3: Cross multiply
2,886,058.56x = 3,982,699.35 × 1,579,305.42 - Step 4: Simplify right side
2,886,058.56x = 6,289,898,669,685.48 - Step 5: Solve for x
x = 6,289,898,669,685.48/2,886,058.56 - Step 6: Final answer
x = 2,179,407.85
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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.