Finding the Fourth Proportional to 2,620,871.82, 3,616,204.64 and 1,474,533.90
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Solution
The fourth proportional to 2,620,871.82, 3,616,204.64 and 1,474,533.90 is: 2,034,520.07
Step by Step Solution
- Step 1: Write the proportion equation
2,620,871.82 : 3,616,204.64 = 1,474,533.90 : x - Step 2: Convert to fraction form
2,620,871.82/3,616,204.64 = 1,474,533.90/x - Step 3: Cross multiply
2,620,871.82x = 3,616,204.64 × 1,474,533.90 - Step 4: Simplify right side
2,620,871.82x = 5,332,216,331,017.30 - Step 5: Solve for x
x = 5,332,216,331,017.30/2,620,871.82 - Step 6: Final answer
x = 2,034,520.07
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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.