Finding the Fourth Proportional to 1,543,356.46, 2,129,656.35 and 898,640.74
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Solution
The fourth proportional to 1,543,356.46, 2,129,656.35 and 898,640.74 is: 1,240,022.00
Step by Step Solution
- Step 1: Write the proportion equation
1,543,356.46 : 2,129,656.35 = 898,640.74 : x - Step 2: Convert to fraction form
1,543,356.46/2,129,656.35 = 898,640.74/x - Step 3: Cross multiply
1,543,356.46x = 2,129,656.35 × 898,640.74 - Step 4: Simplify right side
1,543,356.46x = 1,913,795,958,309.70 - Step 5: Solve for x
x = 1,913,795,958,309.70/1,543,356.46 - Step 6: Final answer
x = 1,240,022.00
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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.