Finding the Fourth Proportional to 1,367,515.70, 2,051,273.55 and 1,213,988.30
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Solution
The fourth proportional to 1,367,515.70, 2,051,273.55 and 1,213,988.30 is: 1,820,982.45
Step by Step Solution
- Step 1: Write the proportion equation
1,367,515.70 : 2,051,273.55 = 1,213,988.30 : x - Step 2: Convert to fraction form
1,367,515.70/2,051,273.55 = 1,213,988.30/x - Step 3: Cross multiply
1,367,515.70x = 2,051,273.55 × 1,213,988.30 - Step 4: Simplify right side
1,367,515.70x = 2,490,222,089,799.47 - Step 5: Solve for x
x = 2,490,222,089,799.47/1,367,515.70 - Step 6: Final answer
x = 1,820,982.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.