Finding the Fourth Proportional to 4,256,982.29, 6,387,466.34 and 1,860,515.53
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Solution
The fourth proportional to 4,256,982.29, 6,387,466.34 and 1,860,515.53 is: 2,791,644.30
Step by Step Solution
- Step 1: Write the proportion equation
4,256,982.29 : 6,387,466.34 = 1,860,515.53 : x - Step 2: Convert to fraction form
4,256,982.29/6,387,466.34 = 1,860,515.53/x - Step 3: Cross multiply
4,256,982.29x = 6,387,466.34 × 1,860,515.53 - Step 4: Simplify right side
4,256,982.29x = 11,883,980,347,534.38 - Step 5: Solve for x
x = 11,883,980,347,534.38/4,256,982.29 - Step 6: Final answer
x = 2,791,644.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.