Finding the Fourth Proportional to 1,569,345.94, 2,354,040.78 and 447,414.94
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Solution
The fourth proportional to 1,569,345.94, 2,354,040.78 and 447,414.94 is: 671,128.65
Step by Step Solution
- Step 1: Write the proportion equation
1,569,345.94 : 2,354,040.78 = 447,414.94 : x - Step 2: Convert to fraction form
1,569,345.94/2,354,040.78 = 447,414.94/x - Step 3: Cross multiply
1,569,345.94x = 2,354,040.78 × 447,414.94 - Step 4: Simplify right side
1,569,345.94x = 1,053,233,014,341.25 - Step 5: Solve for x
x = 1,053,233,014,341.25/1,569,345.94 - Step 6: Final answer
x = 671,128.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.