Finding the Fourth Proportional to 1,402,076.70, 2,103,115.05 and 1,393,219.35
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Solution
The fourth proportional to 1,402,076.70, 2,103,115.05 and 1,393,219.35 is: 2,089,829.03
Step by Step Solution
- Step 1: Write the proportion equation
1,402,076.70 : 2,103,115.05 = 1,393,219.35 : x - Step 2: Convert to fraction form
1,402,076.70/2,103,115.05 = 1,393,219.35/x - Step 3: Cross multiply
1,402,076.70x = 2,103,115.05 × 1,393,219.35 - Step 4: Simplify right side
1,402,076.70x = 2,930,100,582,936.22 - Step 5: Solve for x
x = 2,930,100,582,936.22/1,402,076.70 - Step 6: Final answer
x = 2,089,829.03
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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.