Finding the Fourth Proportional to 3,163,863.65, 4,745,042.78 and 1,365,763.28
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Solution
The fourth proportional to 3,163,863.65, 4,745,042.78 and 1,365,763.28 is: 2,048,319.99
Step by Step Solution
- Step 1: Write the proportion equation
3,163,863.65 : 4,745,042.78 = 1,365,763.28 : x - Step 2: Convert to fraction form
3,163,863.65/4,745,042.78 = 1,365,763.28/x - Step 3: Cross multiply
3,163,863.65x = 4,745,042.78 × 1,365,763.28 - Step 4: Simplify right side
3,163,863.65x = 6,480,605,160,399.09 - Step 5: Solve for x
x = 6,480,605,160,399.09/3,163,863.65 - Step 6: Final answer
x = 2,048,319.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.