Finding the Fourth Proportional to 2,265,948.68, 3,127,121.46 and 1,247,342.60
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Solution
The fourth proportional to 2,265,948.68, 3,127,121.46 and 1,247,342.60 is: 1,721,394.60
Step by Step Solution
- Step 1: Write the proportion equation
2,265,948.68 : 3,127,121.46 = 1,247,342.60 : x - Step 2: Convert to fraction form
2,265,948.68/3,127,121.46 = 1,247,342.60/x - Step 3: Cross multiply
2,265,948.68x = 3,127,121.46 × 1,247,342.60 - Step 4: Simplify right side
2,265,948.68x = 3,900,591,812,432.20 - Step 5: Solve for x
x = 3,900,591,812,432.20/2,265,948.68 - Step 6: Final answer
x = 1,721,394.60
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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.