Finding the Fourth Proportional to 1,492,686.36, 2,058,279.12 and 1,008,410.58
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Solution
The fourth proportional to 1,492,686.36, 2,058,279.12 and 1,008,410.58 is: 1,390,506.74
Step by Step Solution
- Step 1: Write the proportion equation
1,492,686.36 : 2,058,279.12 = 1,008,410.58 : x - Step 2: Convert to fraction form
1,492,686.36/2,058,279.12 = 1,008,410.58/x - Step 3: Cross multiply
1,492,686.36x = 2,058,279.12 × 1,008,410.58 - Step 4: Simplify right side
1,492,686.36x = 2,075,590,441,201.09 - Step 5: Solve for x
x = 2,075,590,441,201.09/1,492,686.36 - Step 6: Final answer
x = 1,390,506.74
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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.