Finding the Fourth Proportional to 2,294,983.80, 3,167,189.64 and 1,276,366.68
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Solution
The fourth proportional to 2,294,983.80, 3,167,189.64 and 1,276,366.68 is: 1,761,448.31
Step by Step Solution
- Step 1: Write the proportion equation
2,294,983.80 : 3,167,189.64 = 1,276,366.68 : x - Step 2: Convert to fraction form
2,294,983.80/3,167,189.64 = 1,276,366.68/x - Step 3: Cross multiply
2,294,983.80x = 3,167,189.64 × 1,276,366.68 - Step 4: Simplify right side
2,294,983.80x = 4,042,495,325,737.20 - Step 5: Solve for x
x = 4,042,495,325,737.20/2,294,983.80 - Step 6: Final answer
x = 1,761,448.31
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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.