Finding the Fourth Proportional to 1,668,179.07, 2,302,025.40 and 904,216.23
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Solution
The fourth proportional to 1,668,179.07, 2,302,025.40 and 904,216.23 is: 1,247,784.94
Step by Step Solution
- Step 1: Write the proportion equation
1,668,179.07 : 2,302,025.40 = 904,216.23 : x - Step 2: Convert to fraction form
1,668,179.07/2,302,025.40 = 904,216.23/x - Step 3: Cross multiply
1,668,179.07x = 2,302,025.40 × 904,216.23 - Step 4: Simplify right side
1,668,179.07x = 2,081,528,728,552.24 - Step 5: Solve for x
x = 2,081,528,728,552.24/1,668,179.07 - Step 6: Final answer
x = 1,247,784.94
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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.