Finding the Fourth Proportional to 2,131,693.85, 2,941,745.16 and 1,164,824.12
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Solution
The fourth proportional to 2,131,693.85, 2,941,745.16 and 1,164,824.12 is: 1,607,461.46
Step by Step Solution
- Step 1: Write the proportion equation
2,131,693.85 : 2,941,745.16 = 1,164,824.12 : x - Step 2: Convert to fraction form
2,131,693.85/2,941,745.16 = 1,164,824.12/x - Step 3: Cross multiply
2,131,693.85x = 2,941,745.16 × 1,164,824.12 - Step 4: Simplify right side
2,131,693.85x = 3,426,615,702,552.53 - Step 5: Solve for x
x = 3,426,615,702,552.53/2,131,693.85 - Step 6: Final answer
x = 1,607,461.46
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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.