Finding the Fourth Proportional to 1,492,715.16, 2,058,319.02 and 1,008,439.44
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Solution
The fourth proportional to 1,492,715.16, 2,058,319.02 and 1,008,439.44 is: 1,390,546.66
Step by Step Solution
- Step 1: Write the proportion equation
1,492,715.16 : 2,058,319.02 = 1,008,439.44 : x - Step 2: Convert to fraction form
1,492,715.16/2,058,319.02 = 1,008,439.44/x - Step 3: Cross multiply
1,492,715.16x = 2,058,319.02 × 1,008,439.44 - Step 4: Simplify right side
1,492,715.16x = 2,075,690,079,870.15 - Step 5: Solve for x
x = 2,075,690,079,870.15/1,492,715.16 - Step 6: Final answer
x = 1,390,546.66
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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.