Finding the Fourth Proportional to 4,112,341.12, 6,169,889.46 and 1,418,525.80
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Solution
The fourth proportional to 4,112,341.12, 6,169,889.46 and 1,418,525.80 is: 2,128,263.96
Step by Step Solution
- Step 1: Write the proportion equation
4,112,341.12 : 6,169,889.46 = 1,418,525.80 : x - Step 2: Convert to fraction form
4,112,341.12/6,169,889.46 = 1,418,525.80/x - Step 3: Cross multiply
4,112,341.12x = 6,169,889.46 × 1,418,525.80 - Step 4: Simplify right side
4,112,341.12x = 8,752,147,382,158.07 - Step 5: Solve for x
x = 8,752,147,382,158.07/4,112,341.12 - Step 6: Final answer
x = 2,128,263.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.