Finding the Fourth Proportional to 3,663,929.84, 5,496,393.84 and 1,267,131.20
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Solution
The fourth proportional to 3,663,929.84, 5,496,393.84 and 1,267,131.20 is: 1,900,869.40
Step by Step Solution
- Step 1: Write the proportion equation
3,663,929.84 : 5,496,393.84 = 1,267,131.20 : x - Step 2: Convert to fraction form
3,663,929.84/5,496,393.84 = 1,267,131.20/x - Step 3: Cross multiply
3,663,929.84x = 5,496,393.84 × 1,267,131.20 - Step 4: Simplify right side
3,663,929.84x = 6,964,652,122,151.81 - Step 5: Solve for x
x = 6,964,652,122,151.81/3,663,929.84 - Step 6: Final answer
x = 1,900,869.40
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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.