Finding the Fourth Proportional to 1,468,875.60, 2,206,423.80 and 1,415,998.80
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Solution
The fourth proportional to 1,468,875.60, 2,206,423.80 and 1,415,998.80 is: 2,126,996.63
Step by Step Solution
- Step 1: Write the proportion equation
1,468,875.60 : 2,206,423.80 = 1,415,998.80 : x - Step 2: Convert to fraction form
1,468,875.60/2,206,423.80 = 1,415,998.80/x - Step 3: Cross multiply
1,468,875.60x = 2,206,423.80 × 1,415,998.80 - Step 4: Simplify right side
1,468,875.60x = 3,124,293,453,091.44 - Step 5: Solve for x
x = 3,124,293,453,091.44/1,468,875.60 - Step 6: Final answer
x = 2,126,996.63
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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.