Finding the Fourth Proportional to 1,657,068.12, 2,286,732.33 and 931,915.62
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Solution
The fourth proportional to 1,657,068.12, 2,286,732.33 and 931,915.62 is: 1,286,031.37
Step by Step Solution
- Step 1: Write the proportion equation
1,657,068.12 : 2,286,732.33 = 931,915.62 : x - Step 2: Convert to fraction form
1,657,068.12/2,286,732.33 = 931,915.62/x - Step 3: Cross multiply
1,657,068.12x = 2,286,732.33 × 931,915.62 - Step 4: Simplify right side
1,657,068.12x = 2,131,041,577,085.99 - Step 5: Solve for x
x = 2,131,041,577,085.99/1,657,068.12 - Step 6: Final answer
x = 1,286,031.37
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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.