Finding the Fourth Proportional to 3,817,911.02, 5,726,868.15 and 1,122,236.42
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Solution
The fourth proportional to 3,817,911.02, 5,726,868.15 and 1,122,236.42 is: 1,683,355.11
Step by Step Solution
- Step 1: Write the proportion equation
3,817,911.02 : 5,726,868.15 = 1,122,236.42 : x - Step 2: Convert to fraction form
3,817,911.02/5,726,868.15 = 1,122,236.42/x - Step 3: Cross multiply
3,817,911.02x = 5,726,868.15 × 1,122,236.42 - Step 4: Simplify right side
3,817,911.02x = 6,426,900,010,468.02 - Step 5: Solve for x
x = 6,426,900,010,468.02/3,817,911.02 - Step 6: Final answer
x = 1,683,355.11
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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.