Finding the Fourth Proportional to 2,420,932.80, 3,340,887.84 and 1,333,201.62
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Solution
The fourth proportional to 2,420,932.80, 3,340,887.84 and 1,333,201.62 is: 1,839,818.55
Step by Step Solution
- Step 1: Write the proportion equation
2,420,932.80 : 3,340,887.84 = 1,333,201.62 : x - Step 2: Convert to fraction form
2,420,932.80/3,340,887.84 = 1,333,201.62/x - Step 3: Cross multiply
2,420,932.80x = 3,340,887.84 × 1,333,201.62 - Step 4: Simplify right side
2,420,932.80x = 4,454,077,080,526.30 - Step 5: Solve for x
x = 4,454,077,080,526.30/2,420,932.80 - Step 6: Final answer
x = 1,839,818.55
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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.