Finding the Fourth Proportional to 5,890,576.64, 8,128,833.36 and 3,312,191.12
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Solution
The fourth proportional to 5,890,576.64, 8,128,833.36 and 3,312,191.12 is: 4,570,732.43
Step by Step Solution
- Step 1: Write the proportion equation
5,890,576.64 : 8,128,833.36 = 3,312,191.12 : x - Step 2: Convert to fraction form
5,890,576.64/8,128,833.36 = 3,312,191.12/x - Step 3: Cross multiply
5,890,576.64x = 8,128,833.36 × 3,312,191.12 - Step 4: Simplify right side
5,890,576.64x = 26,924,249,670,951.77 - Step 5: Solve for x
x = 26,924,249,670,951.77/5,890,576.64 - Step 6: Final answer
x = 4,570,732.43
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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.