Finding the Fourth Proportional to 4,104,378.55, 5,663,865.80 and 2,243,758.65
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Solution
The fourth proportional to 4,104,378.55, 5,663,865.80 and 2,243,758.65 is: 3,096,290.40
Step by Step Solution
- Step 1: Write the proportion equation
4,104,378.55 : 5,663,865.80 = 2,243,758.65 : x - Step 2: Convert to fraction form
4,104,378.55/5,663,865.80 = 2,243,758.65/x - Step 3: Cross multiply
4,104,378.55x = 5,663,865.80 × 2,243,758.65 - Step 4: Simplify right side
4,104,378.55x = 12,708,347,886,798.57 - Step 5: Solve for x
x = 12,708,347,886,798.57/4,104,378.55 - Step 6: Final answer
x = 3,096,290.40
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1.5x scale
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.