Finding the Fourth Proportional to 4,307,320.18, 6,457,069.69 and 2,149,005.42
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Solution
The fourth proportional to 4,307,320.18, 6,457,069.69 and 2,149,005.42 is: 3,221,557.07
Step by Step Solution
- Step 1: Write the proportion equation
4,307,320.18 : 6,457,069.69 = 2,149,005.42 : x - Step 2: Convert to fraction form
4,307,320.18/6,457,069.69 = 2,149,005.42/x - Step 3: Cross multiply
4,307,320.18x = 6,457,069.69 × 2,149,005.42 - Step 4: Simplify right side
4,307,320.18x = 13,876,277,761,127.72 - Step 5: Solve for x
x = 13,876,277,761,127.72/4,307,320.18 - Step 6: Final answer
x = 3,221,557.07
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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.