Finding the Fourth Proportional to 1,791,503.50, 2,473,917.90 and 1,138,344.67
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Solution
The fourth proportional to 1,791,503.50, 2,473,917.90 and 1,138,344.67 is: 1,571,959.67
Step by Step Solution
- Step 1: Write the proportion equation
1,791,503.50 : 2,473,917.90 = 1,138,344.67 : x - Step 2: Convert to fraction form
1,791,503.50/2,473,917.90 = 1,138,344.67/x - Step 3: Cross multiply
1,791,503.50x = 2,473,917.90 × 1,138,344.67 - Step 4: Simplify right side
1,791,503.50x = 2,816,171,255,482.59 - Step 5: Solve for x
x = 2,816,171,255,482.59/1,791,503.50 - Step 6: Final answer
x = 1,571,959.67
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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.