Finding the Fourth Proportional to 1,595,539.70, 2,201,852.02 and 870,385.18
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Solution
The fourth proportional to 1,595,539.70, 2,201,852.02 and 870,385.18 is: 1,201,135.49
Step by Step Solution
- Step 1: Write the proportion equation
1,595,539.70 : 2,201,852.02 = 870,385.18 : x - Step 2: Convert to fraction form
1,595,539.70/2,201,852.02 = 870,385.18/x - Step 3: Cross multiply
1,595,539.70x = 2,201,852.02 × 870,385.18 - Step 4: Simplify right side
1,595,539.70x = 1,916,459,366,761.06 - Step 5: Solve for x
x = 1,916,459,366,761.06/1,595,539.70 - Step 6: Final answer
x = 1,201,135.49
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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.