Finding the Fourth Proportional to 3,272,678.49, 4,905,605.33 and 1,831,248.66
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Solution
The fourth proportional to 3,272,678.49, 4,905,605.33 and 1,831,248.66 is: 2,744,963.55
Step by Step Solution
- Step 1: Write the proportion equation
3,272,678.49 : 4,905,605.33 = 1,831,248.66 : x - Step 2: Convert to fraction form
3,272,678.49/4,905,605.33 = 1,831,248.66/x - Step 3: Cross multiply
3,272,678.49x = 4,905,605.33 × 1,831,248.66 - Step 4: Simplify right side
3,272,678.49x = 8,983,383,175,564.29 - Step 5: Solve for x
x = 8,983,383,175,564.29/3,272,678.49 - Step 6: Final answer
x = 2,744,963.55
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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.