Finding the Fourth Proportional to 5,432,943.17, 7,495,826.60 and 3,256,692.28
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Solution
The fourth proportional to 5,432,943.17, 7,495,826.60 and 3,256,692.28 is: 4,493,255.28
Step by Step Solution
- Step 1: Write the proportion equation
5,432,943.17 : 7,495,826.60 = 3,256,692.28 : x - Step 2: Convert to fraction form
5,432,943.17/7,495,826.60 = 3,256,692.28/x - Step 3: Cross multiply
5,432,943.17x = 7,495,826.60 × 3,256,692.28 - Step 4: Simplify right side
5,432,943.17x = 24,411,600,609,840.81 - Step 5: Solve for x
x = 24,411,600,609,840.81/5,432,943.17 - Step 6: Final answer
x = 4,493,255.28
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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.