Finding the Fourth Proportional to 2,631,610.66, 3,944,235.12 and 1,281,750.52
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Solution
The fourth proportional to 2,631,610.66, 3,944,235.12 and 1,281,750.52 is: 1,921,076.51
Step by Step Solution
- Step 1: Write the proportion equation
2,631,610.66 : 3,944,235.12 = 1,281,750.52 : x - Step 2: Convert to fraction form
2,631,610.66/3,944,235.12 = 1,281,750.52/x - Step 3: Cross multiply
2,631,610.66x = 3,944,235.12 × 1,281,750.52 - Step 4: Simplify right side
2,631,610.66x = 5,055,525,416,062.26 - Step 5: Solve for x
x = 5,055,525,416,062.26/2,631,610.66 - Step 6: Final answer
x = 1,921,076.51
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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.