Finding the Fourth Proportional to 3,113,529.76, 4,296,573.58 and 1,825,228.18
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Solution
The fourth proportional to 3,113,529.76, 4,296,573.58 and 1,825,228.18 is: 2,518,757.74
Step by Step Solution
- Step 1: Write the proportion equation
3,113,529.76 : 4,296,573.58 = 1,825,228.18 : x - Step 2: Convert to fraction form
3,113,529.76/4,296,573.58 = 1,825,228.18/x - Step 3: Cross multiply
3,113,529.76x = 4,296,573.58 × 1,825,228.18 - Step 4: Simplify right side
3,113,529.76x = 7,842,227,175,659.49 - Step 5: Solve for x
x = 7,842,227,175,659.49/3,113,529.76 - Step 6: Final answer
x = 2,518,757.74
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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.