Finding the Fourth Proportional to 2,823,412.68, 3,896,367.12 and 1,534,336.10
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Solution
The fourth proportional to 2,823,412.68, 3,896,367.12 and 1,534,336.10 is: 2,117,415.13
Step by Step Solution
- Step 1: Write the proportion equation
2,823,412.68 : 3,896,367.12 = 1,534,336.10 : x - Step 2: Convert to fraction form
2,823,412.68/3,896,367.12 = 1,534,336.10/x - Step 3: Cross multiply
2,823,412.68x = 3,896,367.12 × 1,534,336.10 - Step 4: Simplify right side
2,823,412.68x = 5,978,336,731,069.03 - Step 5: Solve for x
x = 5,978,336,731,069.03/2,823,412.68 - Step 6: Final answer
x = 2,117,415.13
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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.