Finding the Fourth Proportional to 4,220,521.92, 5,824,312.11 and 2,286,834.84
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Solution
The fourth proportional to 4,220,521.92, 5,824,312.11 and 2,286,834.84 is: 3,155,827.67
Step by Step Solution
- Step 1: Write the proportion equation
4,220,521.92 : 5,824,312.11 = 2,286,834.84 : x - Step 2: Convert to fraction form
4,220,521.92/5,824,312.11 = 2,286,834.84/x - Step 3: Cross multiply
4,220,521.92x = 5,824,312.11 × 2,286,834.84 - Step 4: Simplify right side
4,220,521.92x = 13,319,239,852,181.91 - Step 5: Solve for x
x = 13,319,239,852,181.91/4,220,521.92 - Step 6: Final answer
x = 3,155,827.67
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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.