Finding the Fourth Proportional to 4,136,472.14, 5,708,676.42 and 2,301,276.20
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Solution
The fourth proportional to 4,136,472.14, 5,708,676.42 and 2,301,276.20 is: 3,175,953.02
Step by Step Solution
- Step 1: Write the proportion equation
4,136,472.14 : 5,708,676.42 = 2,301,276.20 : x - Step 2: Convert to fraction form
4,136,472.14/5,708,676.42 = 2,301,276.20/x - Step 3: Cross multiply
4,136,472.14x = 5,708,676.42 × 2,301,276.20 - Step 4: Simplify right side
4,136,472.14x = 13,137,241,150,303.82 - Step 5: Solve for x
x = 13,137,241,150,303.82/4,136,472.14 - Step 6: Final answer
x = 3,175,953.02
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1.5x scale
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.