Finding the Fourth Proportional to 2,074,899.05, 2,863,355.02 and 1,157,129.18
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Solution
The fourth proportional to 2,074,899.05, 2,863,355.02 and 1,157,129.18 is: 1,596,835.11
Step by Step Solution
- Step 1: Write the proportion equation
2,074,899.05 : 2,863,355.02 = 1,157,129.18 : x - Step 2: Convert to fraction form
2,074,899.05/2,863,355.02 = 1,157,129.18/x - Step 3: Cross multiply
2,074,899.05x = 2,863,355.02 × 1,157,129.18 - Step 4: Simplify right side
2,074,899.05x = 3,313,271,640,555.84 - Step 5: Solve for x
x = 3,313,271,640,555.84/2,074,899.05 - Step 6: Final answer
x = 1,596,835.11
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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.