Finding the Fourth Proportional to 1,657,186.42, 2,286,653.76 and 931,894.07
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Solution
The fourth proportional to 1,657,186.42, 2,286,653.76 and 931,894.07 is: 1,285,865.64
Step by Step Solution
- Step 1: Write the proportion equation
1,657,186.42 : 2,286,653.76 = 931,894.07 : x - Step 2: Convert to fraction form
1,657,186.42/2,286,653.76 = 931,894.07/x - Step 3: Cross multiply
1,657,186.42x = 2,286,653.76 × 931,894.07 - Step 4: Simplify right side
1,657,186.42x = 2,130,919,076,854.71 - Step 5: Solve for x
x = 2,130,919,076,854.71/1,657,186.42 - Step 6: Final answer
x = 1,285,865.64
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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.