Finding the Fourth Proportional to 5,531,287.60, 8,296,931.40 and 4,411,543.60
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Solution
The fourth proportional to 5,531,287.60, 8,296,931.40 and 4,411,543.60 is: 6,617,315.40
Step by Step Solution
- Step 1: Write the proportion equation
5,531,287.60 : 8,296,931.40 = 4,411,543.60 : x - Step 2: Convert to fraction form
5,531,287.60/8,296,931.40 = 4,411,543.60/x - Step 3: Cross multiply
5,531,287.60x = 8,296,931.40 × 4,411,543.60 - Step 4: Simplify right side
5,531,287.60x = 36,602,274,617,309.04 - Step 5: Solve for x
x = 36,602,274,617,309.04/5,531,287.60 - Step 6: Final answer
x = 6,617,315.40
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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.