Finding the Fourth Proportional to 3,774,506.90, 5,661,336.35 and 1,042,442.70
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Solution
The fourth proportional to 3,774,506.90, 5,661,336.35 and 1,042,442.70 is: 1,563,546.95
Step by Step Solution
- Step 1: Write the proportion equation
3,774,506.90 : 5,661,336.35 = 1,042,442.70 : x - Step 2: Convert to fraction form
3,774,506.90/5,661,336.35 = 1,042,442.70/x - Step 3: Cross multiply
3,774,506.90x = 5,661,336.35 × 1,042,442.70 - Step 4: Simplify right side
3,774,506.90x = 5,901,618,748,999.09 - Step 5: Solve for x
x = 5,901,618,748,999.09/3,774,506.90 - Step 6: Final answer
x = 1,563,546.95
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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.