Finding the Fourth Proportional to 2,135,417.76, 2,946,876.80 and 1,168,548.26
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Solution
The fourth proportional to 2,135,417.76, 2,946,876.80 and 1,168,548.26 is: 1,612,596.75
Step by Step Solution
- Step 1: Write the proportion equation
2,135,417.76 : 2,946,876.80 = 1,168,548.26 : x - Step 2: Convert to fraction form
2,135,417.76/2,946,876.80 = 1,168,548.26/x - Step 3: Cross multiply
2,135,417.76x = 2,946,876.80 × 1,168,548.26 - Step 4: Simplify right side
2,135,417.76x = 3,443,567,736,497.24 - Step 5: Solve for x
x = 3,443,567,736,497.24/2,135,417.76 - Step 6: Final answer
x = 1,612,596.75
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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.