Finding the Fourth Proportional to 2,985,442.39, 4,475,511.55 and 1,163,385.55
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Solution
The fourth proportional to 2,985,442.39, 4,475,511.55 and 1,163,385.55 is: 1,744,044.86
Step by Step Solution
- Step 1: Write the proportion equation
2,985,442.39 : 4,475,511.55 = 1,163,385.55 : x - Step 2: Convert to fraction form
2,985,442.39/4,475,511.55 = 1,163,385.55/x - Step 3: Cross multiply
2,985,442.39x = 4,475,511.55 × 1,163,385.55 - Step 4: Simplify right side
2,985,442.39x = 5,206,745,466,128.10 - Step 5: Solve for x
x = 5,206,745,466,128.10/2,985,442.39 - Step 6: Final answer
x = 1,744,044.86
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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.