Finding the Fourth Proportional to 2,115,393.52, 3,174,631.09 and 767,664.68
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Solution
The fourth proportional to 2,115,393.52, 3,174,631.09 and 767,664.68 is: 1,152,056.17
Step by Step Solution
- Step 1: Write the proportion equation
2,115,393.52 : 3,174,631.09 = 767,664.68 : x - Step 2: Convert to fraction form
2,115,393.52/3,174,631.09 = 767,664.68/x - Step 3: Cross multiply
2,115,393.52x = 3,174,631.09 × 767,664.68 - Step 4: Simplify right side
2,115,393.52x = 2,437,052,156,503.20 - Step 5: Solve for x
x = 2,437,052,156,503.20/2,115,393.52 - Step 6: Final answer
x = 1,152,056.17
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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.