Finding the Fourth Proportional to 5,102,443.84, 7,041,372.90 and 2,810,604.54
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Solution
The fourth proportional to 5,102,443.84, 7,041,372.90 and 2,810,604.54 is: 3,878,634.49
Step by Step Solution
- Step 1: Write the proportion equation
5,102,443.84 : 7,041,372.90 = 2,810,604.54 : x - Step 2: Convert to fraction form
5,102,443.84/7,041,372.90 = 2,810,604.54/x - Step 3: Cross multiply
5,102,443.84x = 7,041,372.90 × 2,810,604.54 - Step 4: Simplify right side
5,102,443.84x = 19,790,514,640,572.97 - Step 5: Solve for x
x = 19,790,514,640,572.97/5,102,443.84 - Step 6: Final answer
x = 3,878,634.49
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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.