Finding the Fourth Proportional to 1,769,602.50, 2,652,722.10 and 1,128,105.66
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Solution
The fourth proportional to 1,769,602.50, 2,652,722.10 and 1,128,105.66 is: 1,691,086.45
Step by Step Solution
- Step 1: Write the proportion equation
1,769,602.50 : 2,652,722.10 = 1,128,105.66 : x - Step 2: Convert to fraction form
1,769,602.50/2,652,722.10 = 1,128,105.66/x - Step 3: Cross multiply
1,769,602.50x = 2,652,722.10 × 1,128,105.66 - Step 4: Simplify right side
1,769,602.50x = 2,992,550,815,417.09 - Step 5: Solve for x
x = 2,992,550,815,417.09/1,769,602.50 - Step 6: Final answer
x = 1,691,086.45
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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.