Finding the Fourth Proportional to 2,074,709.12, 2,863,107.60 and 1,156,935.36
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Solution
The fourth proportional to 2,074,709.12, 2,863,107.60 and 1,156,935.36 is: 1,596,575.82
Step by Step Solution
- Step 1: Write the proportion equation
2,074,709.12 : 2,863,107.60 = 1,156,935.36 : x - Step 2: Convert to fraction form
2,074,709.12/2,863,107.60 = 1,156,935.36/x - Step 3: Cross multiply
2,074,709.12x = 2,863,107.60 × 1,156,935.36 - Step 4: Simplify right side
2,074,709.12x = 3,312,430,421,924.74 - Step 5: Solve for x
x = 3,312,430,421,924.74/2,074,709.12 - Step 6: Final answer
x = 1,596,575.82
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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.