Finding the Fourth Proportional to 4,278,037.50, 6,416,995.79 and 1,039,598.97
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Solution
The fourth proportional to 4,278,037.50, 6,416,995.79 and 1,039,598.97 is: 1,559,383.76
Step by Step Solution
- Step 1: Write the proportion equation
4,278,037.50 : 6,416,995.79 = 1,039,598.97 : x - Step 2: Convert to fraction form
4,278,037.50/6,416,995.79 = 1,039,598.97/x - Step 3: Cross multiply
4,278,037.50x = 6,416,995.79 × 1,039,598.97 - Step 4: Simplify right side
4,278,037.50x = 6,671,102,208,580.34 - Step 5: Solve for x
x = 6,671,102,208,580.34/4,278,037.50 - Step 6: Final answer
x = 1,559,383.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.