Finding the Fourth Proportional to 2,681,629.46, 3,700,663.11 and 1,579,108.70
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Solution
The fourth proportional to 2,681,629.46, 3,700,663.11 and 1,579,108.70 is: 2,179,178.52
Step by Step Solution
- Step 1: Write the proportion equation
2,681,629.46 : 3,700,663.11 = 1,579,108.70 : x - Step 2: Convert to fraction form
2,681,629.46/3,700,663.11 = 1,579,108.70/x - Step 3: Cross multiply
2,681,629.46x = 3,700,663.11 × 1,579,108.70 - Step 4: Simplify right side
2,681,629.46x = 5,843,749,312,770.06 - Step 5: Solve for x
x = 5,843,749,312,770.06/2,681,629.46 - Step 6: Final answer
x = 2,179,178.52
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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.