Finding the Fourth Proportional to 4,028,158.74, 5,558,981.50 and 2,852,863.19
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Solution
The fourth proportional to 4,028,158.74, 5,558,981.50 and 2,852,863.19 is: 3,937,037.92
Step by Step Solution
- Step 1: Write the proportion equation
4,028,158.74 : 5,558,981.50 = 2,852,863.19 : x - Step 2: Convert to fraction form
4,028,158.74/5,558,981.50 = 2,852,863.19/x - Step 3: Cross multiply
4,028,158.74x = 5,558,981.50 × 2,852,863.19 - Step 4: Simplify right side
4,028,158.74x = 15,859,013,695,240.98 - Step 5: Solve for x
x = 15,859,013,695,240.98/4,028,158.74 - Step 6: Final answer
x = 3,937,037.92
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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.