Finding the Fourth Proportional to 1,950,652.32, 2,692,321.44 and 1,186,951.68
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Solution
The fourth proportional to 1,950,652.32, 2,692,321.44 and 1,186,951.68 is: 1,638,249.64
Step by Step Solution
- Step 1: Write the proportion equation
1,950,652.32 : 2,692,321.44 = 1,186,951.68 : x - Step 2: Convert to fraction form
1,950,652.32/2,692,321.44 = 1,186,951.68/x - Step 3: Cross multiply
1,950,652.32x = 2,692,321.44 × 1,186,951.68 - Step 4: Simplify right side
1,950,652.32x = 3,195,655,456,308.02 - Step 5: Solve for x
x = 3,195,655,456,308.02/1,950,652.32 - Step 6: Final answer
x = 1,638,249.64
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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.