Finding the Fourth Proportional to 2,124,854.66, 2,932,213.98 and 1,157,964.38
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Solution
The fourth proportional to 2,124,854.66, 2,932,213.98 and 1,157,964.38 is: 1,597,944.28
Step by Step Solution
- Step 1: Write the proportion equation
2,124,854.66 : 2,932,213.98 = 1,157,964.38 : x - Step 2: Convert to fraction form
2,124,854.66/2,932,213.98 = 1,157,964.38/x - Step 3: Cross multiply
2,124,854.66x = 2,932,213.98 × 1,157,964.38 - Step 4: Simplify right side
2,124,854.66x = 3,395,399,343,378.03 - Step 5: Solve for x
x = 3,395,399,343,378.03/2,124,854.66 - Step 6: Final answer
x = 1,597,944.28
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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.