Finding the Fourth Proportional to 2,579,964.30, 3,560,353.01 and 1,418,430.32
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Solution
The fourth proportional to 2,579,964.30, 3,560,353.01 and 1,418,430.32 is: 1,957,435.09
Step by Step Solution
- Step 1: Write the proportion equation
2,579,964.30 : 3,560,353.01 = 1,418,430.32 : x - Step 2: Convert to fraction form
2,579,964.30/3,560,353.01 = 1,418,430.32/x - Step 3: Cross multiply
2,579,964.30x = 3,560,353.01 × 1,418,430.32 - Step 4: Simplify right side
2,579,964.30x = 5,050,112,642,561.26 - Step 5: Solve for x
x = 5,050,112,642,561.26/2,579,964.30 - Step 6: Final answer
x = 1,957,435.09
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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.