Finding the Fourth Proportional to 2,516,327.68, 3,472,630.51 and 1,428,700.49
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Solution
The fourth proportional to 2,516,327.68, 3,472,630.51 and 1,428,700.49 is: 1,971,662.49
Step by Step Solution
- Step 1: Write the proportion equation
2,516,327.68 : 3,472,630.51 = 1,428,700.49 : x - Step 2: Convert to fraction form
2,516,327.68/3,472,630.51 = 1,428,700.49/x - Step 3: Cross multiply
2,516,327.68x = 3,472,630.51 × 1,428,700.49 - Step 4: Simplify right side
2,516,327.68x = 4,961,348,911,225.95 - Step 5: Solve for x
x = 4,961,348,911,225.95/2,516,327.68 - Step 6: Final answer
x = 1,971,662.49
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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.