Finding the Fourth Proportional to 2,298,201.71, 3,420,172.40 and 2,221,576.07
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Solution
The fourth proportional to 2,298,201.71, 3,420,172.40 and 2,221,576.07 is: 3,306,138.50
Step by Step Solution
- Step 1: Write the proportion equation
2,298,201.71 : 3,420,172.40 = 2,221,576.07 : x - Step 2: Convert to fraction form
2,298,201.71/3,420,172.40 = 2,221,576.07/x - Step 3: Cross multiply
2,298,201.71x = 3,420,172.40 × 2,221,576.07 - Step 4: Simplify right side
2,298,201.71x = 7,598,173,130,905.73 - Step 5: Solve for x
x = 7,598,173,130,905.73/2,298,201.71 - Step 6: Final answer
x = 3,306,138.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.