Finding the Fourth Proportional to 6,475,374.12, 8,935,781.58 and 3,574,702.56
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Solution
The fourth proportional to 6,475,374.12, 8,935,781.58 and 3,574,702.56 is: 4,932,959.96
Step by Step Solution
- Step 1: Write the proportion equation
6,475,374.12 : 8,935,781.58 = 3,574,702.56 : x - Step 2: Convert to fraction form
6,475,374.12/8,935,781.58 = 3,574,702.56/x - Step 3: Cross multiply
6,475,374.12x = 8,935,781.58 × 3,574,702.56 - Step 4: Simplify right side
6,475,374.12x = 31,942,761,289,626.84 - Step 5: Solve for x
x = 31,942,761,289,626.84/6,475,374.12 - Step 6: Final answer
x = 4,932,959.96
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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.