Finding the Fourth Proportional to 2,137,272.96, 2,949,415.68 and 1,157,207.22
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Solution
The fourth proportional to 2,137,272.96, 2,949,415.68 and 1,157,207.22 is: 1,596,934.59
Step by Step Solution
- Step 1: Write the proportion equation
2,137,272.96 : 2,949,415.68 = 1,157,207.22 : x - Step 2: Convert to fraction form
2,137,272.96/2,949,415.68 = 1,157,207.22/x - Step 3: Cross multiply
2,137,272.96x = 2,949,415.68 × 1,157,207.22 - Step 4: Simplify right side
2,137,272.96x = 3,413,085,119,677.21 - Step 5: Solve for x
x = 3,413,085,119,677.21/2,137,272.96 - Step 6: Final answer
x = 1,596,934.59
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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.