Finding the Fourth Proportional to 6,484,554.99, 8,948,752.28 and 3,544,456.07
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Solution
The fourth proportional to 6,484,554.99, 8,948,752.28 and 3,544,456.07 is: 4,891,385.66
Step by Step Solution
- Step 1: Write the proportion equation
6,484,554.99 : 8,948,752.28 = 3,544,456.07 : x - Step 2: Convert to fraction form
6,484,554.99/8,948,752.28 = 3,544,456.07/x - Step 3: Cross multiply
6,484,554.99x = 8,948,752.28 × 3,544,456.07 - Step 4: Simplify right side
6,484,554.99x = 31,718,459,275,306.30 - Step 5: Solve for x
x = 31,718,459,275,306.30/6,484,554.99 - Step 6: Final answer
x = 4,891,385.66
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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.