Finding the Fourth Proportional to 1,539,555.73, 2,124,553.66 and 851,201.13
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Solution
The fourth proportional to 1,539,555.73, 2,124,553.66 and 851,201.13 is: 1,174,639.18
Step by Step Solution
- Step 1: Write the proportion equation
1,539,555.73 : 2,124,553.66 = 851,201.13 : x - Step 2: Convert to fraction form
1,539,555.73/2,124,553.66 = 851,201.13/x - Step 3: Cross multiply
1,539,555.73x = 2,124,553.66 × 851,201.13 - Step 4: Simplify right side
1,539,555.73x = 1,808,422,476,137.64 - Step 5: Solve for x
x = 1,808,422,476,137.64/1,539,555.73 - Step 6: Final answer
x = 1,174,639.18
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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.