Finding the Fourth Proportional to 3,774,538.09, 5,657,085.64 and 2,972,652.67
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Solution
The fourth proportional to 3,774,538.09, 5,657,085.64 and 2,972,652.67 is: 4,455,260.57
Step by Step Solution
- Step 1: Write the proportion equation
3,774,538.09 : 5,657,085.64 = 2,972,652.67 : x - Step 2: Convert to fraction form
3,774,538.09/5,657,085.64 = 2,972,652.67/x - Step 3: Cross multiply
3,774,538.09x = 5,657,085.64 × 2,972,652.67 - Step 4: Simplify right side
3,774,538.09x = 16,816,550,732,164.66 - Step 5: Solve for x
x = 16,816,550,732,164.66/3,774,538.09 - Step 6: Final answer
x = 4,455,260.57
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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.