Finding the Fourth Proportional to 3,425,968.80, 4,727,774.84 and 2,031,468.84
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Solution
The fourth proportional to 3,425,968.80, 4,727,774.84 and 2,031,468.84 is: 2,803,390.17
Step by Step Solution
- Step 1: Write the proportion equation
3,425,968.80 : 4,727,774.84 = 2,031,468.84 : x - Step 2: Convert to fraction form
3,425,968.80/4,727,774.84 = 2,031,468.84/x - Step 3: Cross multiply
3,425,968.80x = 4,727,774.84 × 2,031,468.84 - Step 4: Simplify right side
3,425,968.80x = 9,604,327,259,838.64 - Step 5: Solve for x
x = 9,604,327,259,838.64/3,425,968.80 - Step 6: Final answer
x = 2,803,390.17
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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.