Finding the Fourth Proportional to 1,815,267.16, 2,505,048.47 and 999,453.99
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Solution
The fourth proportional to 1,815,267.16, 2,505,048.47 and 999,453.99 is: 1,379,235.38
Step by Step Solution
- Step 1: Write the proportion equation
1,815,267.16 : 2,505,048.47 = 999,453.99 : x - Step 2: Convert to fraction form
1,815,267.16/2,505,048.47 = 999,453.99/x - Step 3: Cross multiply
1,815,267.16x = 2,505,048.47 × 999,453.99 - Step 4: Simplify right side
1,815,267.16x = 2,503,680,688,160.54 - Step 5: Solve for x
x = 2,503,680,688,160.54/1,815,267.16 - Step 6: Final answer
x = 1,379,235.38
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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.