Finding the Fourth Proportional to 6,174,740.10, 9,260,338.68 and 4,293,438.96
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Solution
The fourth proportional to 6,174,740.10, 9,260,338.68 and 4,293,438.96 is: 6,438,926.70
Step by Step Solution
- Step 1: Write the proportion equation
6,174,740.10 : 9,260,338.68 = 4,293,438.96 : x - Step 2: Convert to fraction form
6,174,740.10/9,260,338.68 = 4,293,438.96/x - Step 3: Cross multiply
6,174,740.10x = 9,260,338.68 × 4,293,438.96 - Step 4: Simplify right side
6,174,740.10x = 39,758,698,871,506.97 - Step 5: Solve for x
x = 39,758,698,871,506.97/6,174,740.10 - Step 6: Final answer
x = 6,438,926.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.