Finding the Fourth Proportional to 2,330,040.12, 3,216,021.60 and 1,349,820.75
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Solution
The fourth proportional to 2,330,040.12, 3,216,021.60 and 1,349,820.75 is: 1,863,080.66
Step by Step Solution
- Step 1: Write the proportion equation
2,330,040.12 : 3,216,021.60 = 1,349,820.75 : x - Step 2: Convert to fraction form
2,330,040.12/3,216,021.60 = 1,349,820.75/x - Step 3: Cross multiply
2,330,040.12x = 3,216,021.60 × 1,349,820.75 - Step 4: Simplify right side
2,330,040.12x = 4,341,052,688,128.20 - Step 5: Solve for x
x = 4,341,052,688,128.20/2,330,040.12 - Step 6: Final answer
x = 1,863,080.66
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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.