Finding the Fourth Proportional to 1,586,101.14, 2,188,821.66 and 860,948.36
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Solution
The fourth proportional to 1,586,101.14, 2,188,821.66 and 860,948.36 is: 1,188,109.87
Step by Step Solution
- Step 1: Write the proportion equation
1,586,101.14 : 2,188,821.66 = 860,948.36 : x - Step 2: Convert to fraction form
1,586,101.14/2,188,821.66 = 860,948.36/x - Step 3: Cross multiply
1,586,101.14x = 2,188,821.66 × 860,948.36 - Step 4: Simplify right side
1,586,101.14x = 1,884,462,418,509.48 - Step 5: Solve for x
x = 1,884,462,418,509.48/1,586,101.14 - Step 6: Final answer
x = 1,188,109.87
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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.