Finding the Fourth Proportional to 3,895,746.22, 5,376,116.36 and 2,176,866.68
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Solution
The fourth proportional to 3,895,746.22, 5,376,116.36 and 2,176,866.68 is: 3,004,068.52
Step by Step Solution
- Step 1: Write the proportion equation
3,895,746.22 : 5,376,116.36 = 2,176,866.68 : x - Step 2: Convert to fraction form
3,895,746.22/5,376,116.36 = 2,176,866.68/x - Step 3: Cross multiply
3,895,746.22x = 5,376,116.36 × 2,176,866.68 - Step 4: Simplify right side
3,895,746.22x = 11,703,088,561,002.55 - Step 5: Solve for x
x = 11,703,088,561,002.55/3,895,746.22 - Step 6: Final answer
x = 3,004,068.52
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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.