Finding the Fourth Proportional to 3,143,129.03, 4,735,696.28 and 2,839,875.42
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Solution
The fourth proportional to 3,143,129.03, 4,735,696.28 and 2,839,875.42 is: 4,278,789.49
Step by Step Solution
- Step 1: Write the proportion equation
3,143,129.03 : 4,735,696.28 = 2,839,875.42 : x - Step 2: Convert to fraction form
3,143,129.03/4,735,696.28 = 2,839,875.42/x - Step 3: Cross multiply
3,143,129.03x = 4,735,696.28 × 2,839,875.42 - Step 4: Simplify right side
3,143,129.03x = 13,448,787,462,157.44 - Step 5: Solve for x
x = 13,448,787,462,157.44/3,143,129.03 - Step 6: Final answer
x = 4,278,789.49
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.