Finding the Fourth Proportional to 1,567,445.64, 2,163,099.69 and 879,270.48
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Solution
The fourth proportional to 1,567,445.64, 2,163,099.69 and 879,270.48 is: 1,213,407.12
Step by Step Solution
- Step 1: Write the proportion equation
1,567,445.64 : 2,163,099.69 = 879,270.48 : x - Step 2: Convert to fraction form
1,567,445.64/2,163,099.69 = 879,270.48/x - Step 3: Cross multiply
1,567,445.64x = 2,163,099.69 × 879,270.48 - Step 4: Simplify right side
1,567,445.64x = 1,901,949,702,714.15 - Step 5: Solve for x
x = 1,901,949,702,714.15/1,567,445.64 - Step 6: Final answer
x = 1,213,407.12
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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.