Finding the Fourth Proportional to 4,172,057.65, 6,258,264.14 and 1,476,405.19
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Solution
The fourth proportional to 4,172,057.65, 6,258,264.14 and 1,476,405.19 is: 2,214,670.66
Step by Step Solution
- Step 1: Write the proportion equation
4,172,057.65 : 6,258,264.14 = 1,476,405.19 : x - Step 2: Convert to fraction form
4,172,057.65/6,258,264.14 = 1,476,405.19/x - Step 3: Cross multiply
4,172,057.65x = 6,258,264.14 × 1,476,405.19 - Step 4: Simplify right side
4,172,057.65x = 9,239,733,656,686.89 - Step 5: Solve for x
x = 9,239,733,656,686.89/4,172,057.65 - Step 6: Final answer
x = 2,214,670.66
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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.