Finding the Fourth Proportional to 1,663,393.12, 2,295,475.68 and 899,446.48
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Solution
The fourth proportional to 1,663,393.12, 2,295,475.68 and 899,446.48 is: 1,241,232.45
Step by Step Solution
- Step 1: Write the proportion equation
1,663,393.12 : 2,295,475.68 = 899,446.48 : x - Step 2: Convert to fraction form
1,663,393.12/2,295,475.68 = 899,446.48/x - Step 3: Cross multiply
1,663,393.12x = 2,295,475.68 × 899,446.48 - Step 4: Simplify right side
1,663,393.12x = 2,064,657,520,301.61 - Step 5: Solve for x
x = 2,064,657,520,301.61/1,663,393.12 - Step 6: Final answer
x = 1,241,232.45
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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.