Finding the Fourth Proportional to 1,453,107.12, 2,005,297.72 and 808,554.48
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Solution
The fourth proportional to 1,453,107.12, 2,005,297.72 and 808,554.48 is: 1,115,810.69
Step by Step Solution
- Step 1: Write the proportion equation
1,453,107.12 : 2,005,297.72 = 808,554.48 : x - Step 2: Convert to fraction form
1,453,107.12/2,005,297.72 = 808,554.48/x - Step 3: Cross multiply
1,453,107.12x = 2,005,297.72 × 808,554.48 - Step 4: Simplify right side
1,453,107.12x = 1,621,392,455,239.79 - Step 5: Solve for x
x = 1,621,392,455,239.79/1,453,107.12 - Step 6: Final answer
x = 1,115,810.69
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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.