Finding the Fourth Proportional to 1,819,206.79, 2,728,219.71 and 604,457.19
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Solution
The fourth proportional to 1,819,206.79, 2,728,219.71 and 604,457.19 is: 906,489.59
Step by Step Solution
- Step 1: Write the proportion equation
1,819,206.79 : 2,728,219.71 = 604,457.19 : x - Step 2: Convert to fraction form
1,819,206.79/2,728,219.71 = 604,457.19/x - Step 3: Cross multiply
1,819,206.79x = 2,728,219.71 × 604,457.19 - Step 4: Simplify right side
1,819,206.79x = 1,649,092,019,609.22 - Step 5: Solve for x
x = 1,649,092,019,609.22/1,819,206.79 - Step 6: Final answer
x = 906,489.59
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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.