Finding the Fourth Proportional to 1,595,999.70, 2,202,511.30 and 870,867.05
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Solution
The fourth proportional to 1,595,999.70, 2,202,511.30 and 870,867.05 is: 1,201,813.83
Step by Step Solution
- Step 1: Write the proportion equation
1,595,999.70 : 2,202,511.30 = 870,867.05 : x - Step 2: Convert to fraction form
1,595,999.70/2,202,511.30 = 870,867.05/x - Step 3: Cross multiply
1,595,999.70x = 2,202,511.30 × 870,867.05 - Step 4: Simplify right side
1,595,999.70x = 1,918,094,505,232.94 - Step 5: Solve for x
x = 1,918,094,505,232.94/1,595,999.70 - Step 6: Final answer
x = 1,201,813.83
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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.