Finding the Fourth Proportional to 3,642,915.15, 5,464,372.73 and 1,118,242.35
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Solution
The fourth proportional to 3,642,915.15, 5,464,372.73 and 1,118,242.35 is: 1,677,363.53
Step by Step Solution
- Step 1: Write the proportion equation
3,642,915.15 : 5,464,372.73 = 1,118,242.35 : x - Step 2: Convert to fraction form
3,642,915.15/5,464,372.73 = 1,118,242.35/x - Step 3: Cross multiply
3,642,915.15x = 5,464,372.73 × 1,118,242.35 - Step 4: Simplify right side
3,642,915.15x = 6,110,492,997,279.90 - Step 5: Solve for x
x = 6,110,492,997,279.90/3,642,915.15 - Step 6: Final answer
x = 1,677,363.53
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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.