Finding the Fourth Proportional to 3,128,251.68, 4,692,459.53 and 998,334.20
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Solution
The fourth proportional to 3,128,251.68, 4,692,459.53 and 998,334.20 is: 1,497,527.46
Step by Step Solution
- Step 1: Write the proportion equation
3,128,251.68 : 4,692,459.53 = 998,334.20 : x - Step 2: Convert to fraction form
3,128,251.68/4,692,459.53 = 998,334.20/x - Step 3: Cross multiply
3,128,251.68x = 4,692,459.53 × 998,334.20 - Step 4: Simplify right side
3,128,251.68x = 4,684,642,802,460.96 - Step 5: Solve for x
x = 4,684,642,802,460.96/3,128,251.68 - Step 6: Final answer
x = 1,497,527.46
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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.