Finding the Fourth Proportional to 2,087,254.20, 3,130,881.30 and 667,356.60
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Solution
The fourth proportional to 2,087,254.20, 3,130,881.30 and 667,356.60 is: 1,001,034.90
Step by Step Solution
- Step 1: Write the proportion equation
2,087,254.20 : 3,130,881.30 = 667,356.60 : x - Step 2: Convert to fraction form
2,087,254.20/3,130,881.30 = 667,356.60/x - Step 3: Cross multiply
2,087,254.20x = 3,130,881.30 × 667,356.60 - Step 4: Simplify right side
2,087,254.20x = 2,089,414,299,371.58 - Step 5: Solve for x
x = 2,089,414,299,371.58/2,087,254.20 - Step 6: Final answer
x = 1,001,034.90
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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.