Finding the Fourth Proportional to 3,385,108.73, 5,078,927.12 and 1,363,926.05
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Solution
The fourth proportional to 3,385,108.73, 5,078,927.12 and 1,363,926.05 is: 2,046,398.38
Step by Step Solution
- Step 1: Write the proportion equation
3,385,108.73 : 5,078,927.12 = 1,363,926.05 : x - Step 2: Convert to fraction form
3,385,108.73/5,078,927.12 = 1,363,926.05/x - Step 3: Cross multiply
3,385,108.73x = 5,078,927.12 × 1,363,926.05 - Step 4: Simplify right side
3,385,108.73x = 6,927,281,021,126.61 - Step 5: Solve for x
x = 6,927,281,021,126.61/3,385,108.73 - Step 6: Final answer
x = 2,046,398.38
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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.