Finding the Fourth Proportional to 1,567,432.26, 2,163,080.22 and 879,256.66
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Solution
The fourth proportional to 1,567,432.26, 2,163,080.22 and 879,256.66 is: 1,213,387.49
Step by Step Solution
- Step 1: Write the proportion equation
1,567,432.26 : 2,163,080.22 = 879,256.66 : x - Step 2: Convert to fraction form
1,567,432.26/2,163,080.22 = 879,256.66/x - Step 3: Cross multiply
1,567,432.26x = 2,163,080.22 × 879,256.66 - Step 4: Simplify right side
1,567,432.26x = 1,901,902,689,549.27 - Step 5: Solve for x
x = 1,901,902,689,549.27/1,567,432.26 - Step 6: Final answer
x = 1,213,387.49
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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.