Finding the Fourth Proportional to 3,502,430.68, 5,253,803.40 and 1,073,405.99
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Solution
The fourth proportional to 3,502,430.68, 5,253,803.40 and 1,073,405.99 is: 1,610,157.22
Step by Step Solution
- Step 1: Write the proportion equation
3,502,430.68 : 5,253,803.40 = 1,073,405.99 : x - Step 2: Convert to fraction form
3,502,430.68/5,253,803.40 = 1,073,405.99/x - Step 3: Cross multiply
3,502,430.68x = 5,253,803.40 × 1,073,405.99 - Step 4: Simplify right side
3,502,430.68x = 5,639,464,039,842.37 - Step 5: Solve for x
x = 5,639,464,039,842.37/3,502,430.68 - Step 6: Final answer
x = 1,610,157.22
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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.