Finding the Fourth Proportional to 4,827,256.40, 7,241,856.60 and 1,415,536.40
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Solution
The fourth proportional to 4,827,256.40, 7,241,856.60 and 1,415,536.40 is: 2,123,589.63
Step by Step Solution
- Step 1: Write the proportion equation
4,827,256.40 : 7,241,856.60 = 1,415,536.40 : x - Step 2: Convert to fraction form
4,827,256.40/7,241,856.60 = 1,415,536.40/x - Step 3: Cross multiply
4,827,256.40x = 7,241,856.60 × 1,415,536.40 - Step 4: Simplify right side
4,827,256.40x = 10,251,111,620,880.24 - Step 5: Solve for x
x = 10,251,111,620,880.24/4,827,256.40 - Step 6: Final answer
x = 2,123,589.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.