Finding the Fourth Proportional to 3,149,419.46, 4,343,959.41 and 2,102,312.66
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Solution
The fourth proportional to 3,149,419.46, 4,343,959.41 and 2,102,312.66 is: 2,899,696.59
Step by Step Solution
- Step 1: Write the proportion equation
3,149,419.46 : 4,343,959.41 = 2,102,312.66 : x - Step 2: Convert to fraction form
3,149,419.46/4,343,959.41 = 2,102,312.66/x - Step 3: Cross multiply
3,149,419.46x = 4,343,959.41 × 2,102,312.66 - Step 4: Simplify right side
3,149,419.46x = 9,132,360,862,169.13 - Step 5: Solve for x
x = 9,132,360,862,169.13/3,149,419.46 - Step 6: Final answer
x = 2,899,696.59
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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.