Finding the Fourth Proportional to 1,368,516.08, 1,888,137.42 and 955,041.86
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Solution
The fourth proportional to 1,368,516.08, 1,888,137.42 and 955,041.86 is: 1,317,668.31
Step by Step Solution
- Step 1: Write the proportion equation
1,368,516.08 : 1,888,137.42 = 955,041.86 : x - Step 2: Convert to fraction form
1,368,516.08/1,888,137.42 = 955,041.86/x - Step 3: Cross multiply
1,368,516.08x = 1,888,137.42 × 955,041.86 - Step 4: Simplify right side
1,368,516.08x = 1,803,250,273,532.40 - Step 5: Solve for x
x = 1,803,250,273,532.40/1,368,516.08 - Step 6: Final answer
x = 1,317,668.31
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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.