Finding the Fourth Proportional to 6,626,457.60, 9,936,187.20 and 2,835,657.60
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Solution
The fourth proportional to 6,626,457.60, 9,936,187.20 and 2,835,657.60 is: 4,251,988.99
Step by Step Solution
- Step 1: Write the proportion equation
6,626,457.60 : 9,936,187.20 = 2,835,657.60 : x - Step 2: Convert to fraction form
6,626,457.60/9,936,187.20 = 2,835,657.60/x - Step 3: Cross multiply
6,626,457.60x = 9,936,187.20 × 2,835,657.60 - Step 4: Simplify right side
6,626,457.60x = 28,175,624,748,702.72 - Step 5: Solve for x
x = 28,175,624,748,702.72/6,626,457.60 - Step 6: Final answer
x = 4,251,988.99
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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.