Finding the Fourth Proportional to 3,873,082.55, 5,344,779.47 and 2,130,650.10
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Solution
The fourth proportional to 3,873,082.55, 5,344,779.47 and 2,130,650.10 is: 2,940,256.18
Step by Step Solution
- Step 1: Write the proportion equation
3,873,082.55 : 5,344,779.47 = 2,130,650.10 : x - Step 2: Convert to fraction form
3,873,082.55/5,344,779.47 = 2,130,650.10/x - Step 3: Cross multiply
3,873,082.55x = 5,344,779.47 × 2,130,650.10 - Step 4: Simplify right side
3,873,082.55x = 11,387,854,901,580.20 - Step 5: Solve for x
x = 11,387,854,901,580.20/3,873,082.55 - Step 6: Final answer
x = 2,940,256.18
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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.