Finding the Fourth Proportional to 1,908,923.12, 2,863,319.08 and 488,991.52
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Solution
The fourth proportional to 1,908,923.12, 2,863,319.08 and 488,991.52 is: 733,470.48
Step by Step Solution
- Step 1: Write the proportion equation
1,908,923.12 : 2,863,319.08 = 488,991.52 : x - Step 2: Convert to fraction form
1,908,923.12/2,863,319.08 = 488,991.52/x - Step 3: Cross multiply
1,908,923.12x = 2,863,319.08 × 488,991.52 - Step 4: Simplify right side
1,908,923.12x = 1,400,138,749,174.20 - Step 5: Solve for x
x = 1,400,138,749,174.20/1,908,923.12 - Step 6: Final answer
x = 733,470.48
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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.