Finding the Fourth Proportional to 2,508,826.11, 3,462,069.08 and 1,421,075.79
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Solution
The fourth proportional to 2,508,826.11, 3,462,069.08 and 1,421,075.79 is: 1,961,021.74
Step by Step Solution
- Step 1: Write the proportion equation
2,508,826.11 : 3,462,069.08 = 1,421,075.79 : x - Step 2: Convert to fraction form
2,508,826.11/3,462,069.08 = 1,421,075.79/x - Step 3: Cross multiply
2,508,826.11x = 3,462,069.08 × 1,421,075.79 - Step 4: Simplify right side
2,508,826.11x = 4,919,862,545,790.19 - Step 5: Solve for x
x = 4,919,862,545,790.19/2,508,826.11 - Step 6: Final answer
x = 1,961,021.74
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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.