Finding the Fourth Proportional to 2,968,374.70, 4,453,291.05 and 838,431.10
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Solution
The fourth proportional to 2,968,374.70, 4,453,291.05 and 838,431.10 is: 1,257,852.56
Step by Step Solution
- Step 1: Write the proportion equation
2,968,374.70 : 4,453,291.05 = 838,431.10 : x - Step 2: Convert to fraction form
2,968,374.70/4,453,291.05 = 838,431.10/x - Step 3: Cross multiply
2,968,374.70x = 4,453,291.05 × 838,431.10 - Step 4: Simplify right side
2,968,374.70x = 3,733,777,713,671.66 - Step 5: Solve for x
x = 3,733,777,713,671.66/2,968,374.70 - Step 6: Final answer
x = 1,257,852.56
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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.