Finding the Fourth Proportional to 3,124,764.26, 4,310,438.47 and 1,817,869.49
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Solution
The fourth proportional to 3,124,764.26, 4,310,438.47 and 1,817,869.49 is: 2,507,649.83
Step by Step Solution
- Step 1: Write the proportion equation
3,124,764.26 : 4,310,438.47 = 1,817,869.49 : x - Step 2: Convert to fraction form
3,124,764.26/4,310,438.47 = 1,817,869.49/x - Step 3: Cross multiply
3,124,764.26x = 4,310,438.47 × 1,817,869.49 - Step 4: Simplify right side
3,124,764.26x = 7,835,814,552,493.74 - Step 5: Solve for x
x = 7,835,814,552,493.74/3,124,764.26 - Step 6: Final answer
x = 2,507,649.83
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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.