Finding the Fourth Proportional to 2,113,264.49, 2,912,277.85 and 2,074,396.03
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Solution
The fourth proportional to 2,113,264.49, 2,912,277.85 and 2,074,396.03 is: 2,858,713.45
Step by Step Solution
- Step 1: Write the proportion equation
2,113,264.49 : 2,912,277.85 = 2,074,396.03 : x - Step 2: Convert to fraction form
2,113,264.49/2,912,277.85 = 2,074,396.03/x - Step 3: Cross multiply
2,113,264.49x = 2,912,277.85 × 2,074,396.03 - Step 4: Simplify right side
2,113,264.49x = 6,041,217,597,830.25 - Step 5: Solve for x
x = 6,041,217,597,830.25/2,113,264.49 - Step 6: Final answer
x = 2,858,713.45
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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.