Finding the Fourth Proportional to 3,952,899.84, 5,455,001.28 and 2,142,063.84
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Solution
The fourth proportional to 3,952,899.84, 5,455,001.28 and 2,142,063.84 is: 2,956,047.83
Step by Step Solution
- Step 1: Write the proportion equation
3,952,899.84 : 5,455,001.28 = 2,142,063.84 : x - Step 2: Convert to fraction form
3,952,899.84/5,455,001.28 = 2,142,063.84/x - Step 3: Cross multiply
3,952,899.84x = 5,455,001.28 × 2,142,063.84 - Step 4: Simplify right side
3,952,899.84x = 11,684,960,989,041.71 - Step 5: Solve for x
x = 11,684,960,989,041.71/3,952,899.84 - Step 6: Final answer
x = 2,956,047.83
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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.