Finding the Fourth Proportional to 2,516,330.68, 3,472,634.66 and 1,428,703.50
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Solution
The fourth proportional to 2,516,330.68, 3,472,634.66 and 1,428,703.50 is: 1,971,666.65
Step by Step Solution
- Step 1: Write the proportion equation
2,516,330.68 : 3,472,634.66 = 1,428,703.50 : x - Step 2: Convert to fraction form
2,516,330.68/3,472,634.66 = 1,428,703.50/x - Step 3: Cross multiply
2,516,330.68x = 3,472,634.66 × 1,428,703.50 - Step 4: Simplify right side
2,516,330.68x = 4,961,365,292,963.31 - Step 5: Solve for x
x = 4,961,365,292,963.31/2,516,330.68 - Step 6: Final answer
x = 1,971,666.65
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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.