Finding the Fourth Proportional to 2,077,312.51, 3,107,769.90 and 1,573,325.65
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Solution
The fourth proportional to 2,077,312.51, 3,107,769.90 and 1,573,325.65 is: 2,353,778.78
Step by Step Solution
- Step 1: Write the proportion equation
2,077,312.51 : 3,107,769.90 = 1,573,325.65 : x - Step 2: Convert to fraction form
2,077,312.51/3,107,769.90 = 1,573,325.65/x - Step 3: Cross multiply
2,077,312.51x = 3,107,769.90 × 1,573,325.65 - Step 4: Simplify right side
2,077,312.51x = 4,889,534,097,967.93 - Step 5: Solve for x
x = 4,889,534,097,967.93/2,077,312.51 - Step 6: Final answer
x = 2,353,778.78
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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.