Finding the Fourth Proportional to 3,885,281.80, 5,827,922.70 and 1,521,377.80
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Solution
The fourth proportional to 3,885,281.80, 5,827,922.70 and 1,521,377.80 is: 2,282,066.70
Step by Step Solution
- Step 1: Write the proportion equation
3,885,281.80 : 5,827,922.70 = 1,521,377.80 : x - Step 2: Convert to fraction form
3,885,281.80/5,827,922.70 = 1,521,377.80/x - Step 3: Cross multiply
3,885,281.80x = 5,827,922.70 × 1,521,377.80 - Step 4: Simplify right side
3,885,281.80x = 8,866,472,215,896.06 - Step 5: Solve for x
x = 8,866,472,215,896.06/3,885,281.80 - Step 6: Final answer
x = 2,282,066.70
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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.