Finding the Fourth Proportional to 2,034,852.72, 2,808,224.28 and 1,129,449.84
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Solution
The fourth proportional to 2,034,852.72, 2,808,224.28 and 1,129,449.84 is: 1,558,711.56
Step by Step Solution
- Step 1: Write the proportion equation
2,034,852.72 : 2,808,224.28 = 1,129,449.84 : x - Step 2: Convert to fraction form
2,034,852.72/2,808,224.28 = 1,129,449.84/x - Step 3: Cross multiply
2,034,852.72x = 2,808,224.28 × 1,129,449.84 - Step 4: Simplify right side
2,034,852.72x = 3,171,748,463,730.12 - Step 5: Solve for x
x = 3,171,748,463,730.12/2,034,852.72 - Step 6: Final answer
x = 1,558,711.56
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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.