Finding the Fourth Proportional to 1,475,439.75, 2,211,682.19 and 575,643.56
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Solution
The fourth proportional to 1,475,439.75, 2,211,682.19 and 575,643.56 is: 862,888.91
Step by Step Solution
- Step 1: Write the proportion equation
1,475,439.75 : 2,211,682.19 = 575,643.56 : x - Step 2: Convert to fraction form
1,475,439.75/2,211,682.19 = 575,643.56/x - Step 3: Cross multiply
1,475,439.75x = 2,211,682.19 × 575,643.56 - Step 4: Simplify right side
1,475,439.75x = 1,273,140,595,503.57 - Step 5: Solve for x
x = 1,273,140,595,503.57/1,475,439.75 - Step 6: Final answer
x = 862,888.91
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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.