Finding the Fourth Proportional to 1,495,915.68, 2,242,211.40 and 1,139,755.44
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Solution
The fourth proportional to 1,495,915.68, 2,242,211.40 and 1,139,755.44 is: 1,708,366.77
Step by Step Solution
- Step 1: Write the proportion equation
1,495,915.68 : 2,242,211.40 = 1,139,755.44 : x - Step 2: Convert to fraction form
1,495,915.68/2,242,211.40 = 1,139,755.44/x - Step 3: Cross multiply
1,495,915.68x = 2,242,211.40 × 1,139,755.44 - Step 4: Simplify right side
1,495,915.68x = 2,555,572,640,780.02 - Step 5: Solve for x
x = 2,555,572,640,780.02/1,495,915.68 - Step 6: Final answer
x = 1,708,366.77
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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.