Finding the Fourth Proportional to 6,645,829.13, 9,172,950.48 and 4,328,496.08
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Solution
The fourth proportional to 6,645,829.13, 9,172,950.48 and 4,328,496.08 is: 5,974,435.91
Step by Step Solution
- Step 1: Write the proportion equation
6,645,829.13 : 9,172,950.48 = 4,328,496.08 : x - Step 2: Convert to fraction form
6,645,829.13/9,172,950.48 = 4,328,496.08/x - Step 3: Cross multiply
6,645,829.13x = 9,172,950.48 × 4,328,496.08 - Step 4: Simplify right side
6,645,829.13x = 39,705,080,194,714.12 - Step 5: Solve for x
x = 39,705,080,194,714.12/6,645,829.13 - Step 6: Final answer
x = 5,974,435.91
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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.