Finding the Fourth Proportional to 2,698,012.56, 3,723,267.21 and 1,474,318.23
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Solution
The fourth proportional to 2,698,012.56, 3,723,267.21 and 1,474,318.23 is: 2,034,564.55
Step by Step Solution
- Step 1: Write the proportion equation
2,698,012.56 : 3,723,267.21 = 1,474,318.23 : x - Step 2: Convert to fraction form
2,698,012.56/3,723,267.21 = 1,474,318.23/x - Step 3: Cross multiply
2,698,012.56x = 3,723,267.21 × 1,474,318.23 - Step 4: Simplify right side
2,698,012.56x = 5,489,280,722,864.24 - Step 5: Solve for x
x = 5,489,280,722,864.24/2,698,012.56 - Step 6: Final answer
x = 2,034,564.55
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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.