Finding the Fourth Proportional to 4,928,098.40, 7,399,750.80 and 2,688,610.40
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Solution
The fourth proportional to 4,928,098.40, 7,399,750.80 and 2,688,610.40 is: 4,037,063.66
Step by Step Solution
- Step 1: Write the proportion equation
4,928,098.40 : 7,399,750.80 = 2,688,610.40 : x - Step 2: Convert to fraction form
4,928,098.40/7,399,750.80 = 2,688,610.40/x - Step 3: Cross multiply
4,928,098.40x = 7,399,750.80 × 2,688,610.40 - Step 4: Simplify right side
4,928,098.40x = 19,895,046,958,288.32 - Step 5: Solve for x
x = 19,895,046,958,288.32/4,928,098.40 - Step 6: Final answer
x = 4,037,063.66
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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.