Finding the Fourth Proportional to 4,205,128.29, 6,284,652.85 and 3,070,283.05
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Solution
The fourth proportional to 4,205,128.29, 6,284,652.85 and 3,070,283.05 is: 4,588,602.72
Step by Step Solution
- Step 1: Write the proportion equation
4,205,128.29 : 6,284,652.85 = 3,070,283.05 : x - Step 2: Convert to fraction form
4,205,128.29/6,284,652.85 = 3,070,283.05/x - Step 3: Cross multiply
4,205,128.29x = 6,284,652.85 × 3,070,283.05 - Step 4: Simplify right side
4,205,128.29x = 19,295,663,120,489.19 - Step 5: Solve for x
x = 19,295,663,120,489.19/4,205,128.29 - Step 6: Final answer
x = 4,588,602.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.