Finding the Fourth Proportional to 1,491,686.44, 2,058,675.98 and 910,877.56
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Solution
The fourth proportional to 1,491,686.44, 2,058,675.98 and 910,877.56 is: 1,257,101.83
Step by Step Solution
- Step 1: Write the proportion equation
1,491,686.44 : 2,058,675.98 = 910,877.56 : x - Step 2: Convert to fraction form
1,491,686.44/2,058,675.98 = 910,877.56/x - Step 3: Cross multiply
1,491,686.44x = 2,058,675.98 × 910,877.56 - Step 4: Simplify right side
1,491,686.44x = 1,875,201,753,493.01 - Step 5: Solve for x
x = 1,875,201,753,493.01/1,491,686.44 - Step 6: Final answer
x = 1,257,101.83
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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.