Finding the Fourth Proportional to 1,457,518.08, 2,186,029.26 and 392,322.72
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Solution
The fourth proportional to 1,457,518.08, 2,186,029.26 and 392,322.72 is: 588,417.36
Step by Step Solution
- Step 1: Write the proportion equation
1,457,518.08 : 2,186,029.26 = 392,322.72 : x - Step 2: Convert to fraction form
1,457,518.08/2,186,029.26 = 392,322.72/x - Step 3: Cross multiply
1,457,518.08x = 2,186,029.26 × 392,322.72 - Step 4: Simplify right side
1,457,518.08x = 857,628,945,282.79 - Step 5: Solve for x
x = 857,628,945,282.79/1,457,518.08 - Step 6: Final answer
x = 588,417.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.