Finding the Fourth Proportional to 1,368,516.10, 1,888,137.42 and 955,041.88
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Solution
The fourth proportional to 1,368,516.10, 1,888,137.42 and 955,041.88 is: 1,317,668.32
Step by Step Solution
- Step 1: Write the proportion equation
1,368,516.10 : 1,888,137.42 = 955,041.88 : x - Step 2: Convert to fraction form
1,368,516.10/1,888,137.42 = 955,041.88/x - Step 3: Cross multiply
1,368,516.10x = 1,888,137.42 × 955,041.88 - Step 4: Simplify right side
1,368,516.10x = 1,803,250,311,295.15 - Step 5: Solve for x
x = 1,803,250,311,295.15/1,368,516.10 - Step 6: Final answer
x = 1,317,668.32
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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.