Finding the Fourth Proportional to 1,608,752.16, 2,219,991.12 and 920,437.44
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Solution
The fourth proportional to 1,608,752.16, 2,219,991.12 and 920,437.44 is: 1,270,153.97
Step by Step Solution
- Step 1: Write the proportion equation
1,608,752.16 : 2,219,991.12 = 920,437.44 : x - Step 2: Convert to fraction form
1,608,752.16/2,219,991.12 = 920,437.44/x - Step 3: Cross multiply
1,608,752.16x = 2,219,991.12 × 920,437.44 - Step 4: Simplify right side
1,608,752.16x = 2,043,362,943,315.53 - Step 5: Solve for x
x = 2,043,362,943,315.53/1,608,752.16 - Step 6: Final answer
x = 1,270,153.97
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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.