Finding the Fourth Proportional to 2,516,325.68, 3,472,627.75 and 1,428,698.49
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Solution
The fourth proportional to 2,516,325.68, 3,472,627.75 and 1,428,698.49 is: 1,971,659.73
Step by Step Solution
- Step 1: Write the proportion equation
2,516,325.68 : 3,472,627.75 = 1,428,698.49 : x - Step 2: Convert to fraction form
2,516,325.68/3,472,627.75 = 1,428,698.49/x - Step 3: Cross multiply
2,516,325.68x = 3,472,627.75 × 1,428,698.49 - Step 4: Simplify right side
2,516,325.68x = 4,961,338,006,163.00 - Step 5: Solve for x
x = 4,961,338,006,163.00/2,516,325.68 - Step 6: Final answer
x = 1,971,659.73
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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.