Finding the Fourth Proportional to 2,379,104.70, 3,283,167.02 and 1,291,376.10
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Solution
The fourth proportional to 2,379,104.70, 3,283,167.02 and 1,291,376.10 is: 1,782,100.39
Step by Step Solution
- Step 1: Write the proportion equation
2,379,104.70 : 3,283,167.02 = 1,291,376.10 : x - Step 2: Convert to fraction form
2,379,104.70/3,283,167.02 = 1,291,376.10/x - Step 3: Cross multiply
2,379,104.70x = 3,283,167.02 × 1,291,376.10 - Step 4: Simplify right side
2,379,104.70x = 4,239,803,415,479.34 - Step 5: Solve for x
x = 4,239,803,415,479.34/2,379,104.70 - Step 6: Final answer
x = 1,782,100.39
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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.