Finding the Fourth Proportional to 3,046,342.40, 4,204,119.84 and 1,688,186.24
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Solution
The fourth proportional to 3,046,342.40, 4,204,119.84 and 1,688,186.24 is: 2,329,789.74
Step by Step Solution
- Step 1: Write the proportion equation
3,046,342.40 : 4,204,119.84 = 1,688,186.24 : x - Step 2: Convert to fraction form
3,046,342.40/4,204,119.84 = 1,688,186.24/x - Step 3: Cross multiply
3,046,342.40x = 4,204,119.84 × 1,688,186.24 - Step 4: Simplify right side
3,046,342.40x = 7,097,337,265,199.00 - Step 5: Solve for x
x = 7,097,337,265,199.00/3,046,342.40 - Step 6: Final answer
x = 2,329,789.74
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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.