Finding the Fourth Proportional to 1,535,531.81, 2,119,041.24 and 847,203.62
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Solution
The fourth proportional to 1,535,531.81, 2,119,041.24 and 847,203.62 is: 1,169,145.05
Step by Step Solution
- Step 1: Write the proportion equation
1,535,531.81 : 2,119,041.24 = 847,203.62 : x - Step 2: Convert to fraction form
1,535,531.81/2,119,041.24 = 847,203.62/x - Step 3: Cross multiply
1,535,531.81x = 2,119,041.24 × 847,203.62 - Step 4: Simplify right side
1,535,531.81x = 1,795,259,409,457.29 - Step 5: Solve for x
x = 1,795,259,409,457.29/1,535,531.81 - Step 6: Final answer
x = 1,169,145.05
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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.