Finding the Fourth Proportional to 2,157,459.36, 3,235,155 and 1,019,274.08
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Solution
The fourth proportional to 2,157,459.36, 3,235,155 and 1,019,274.08 is: 1,528,422.60
Step by Step Solution
- Step 1: Write the proportion equation
2,157,459.36 : 3,235,155 = 1,019,274.08 : x - Step 2: Convert to fraction form
2,157,459.36/3,235,155 = 1,019,274.08/x - Step 3: Cross multiply
2,157,459.36x = 3,235,155 × 1,019,274.08 - Step 4: Simplify right side
2,157,459.36x = 3,297,509,636,282.40 - Step 5: Solve for x
x = 3,297,509,636,282.40/2,157,459.36 - Step 6: Final answer
x = 1,528,422.60
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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.