Finding the Fourth Proportional to 1,567,722.13, 2,163,479.52 and 879,546.13
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Solution
The fourth proportional to 1,567,722.13, 2,163,479.52 and 879,546.13 is: 1,213,786.55
Step by Step Solution
- Step 1: Write the proportion equation
1,567,722.13 : 2,163,479.52 = 879,546.13 : x - Step 2: Convert to fraction form
1,567,722.13/2,163,479.52 = 879,546.13/x - Step 3: Cross multiply
1,567,722.13x = 2,163,479.52 × 879,546.13 - Step 4: Simplify right side
1,567,722.13x = 1,902,880,037,039.86 - Step 5: Solve for x
x = 1,902,880,037,039.86/1,567,722.13 - Step 6: Final answer
x = 1,213,786.55
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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.