Finding the Fourth Proportional to 2,625,307.80, 3,937,475.70 and 731,657.40
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Solution
The fourth proportional to 2,625,307.80, 3,937,475.70 and 731,657.40 is: 1,097,350.65
Step by Step Solution
- Step 1: Write the proportion equation
2,625,307.80 : 3,937,475.70 = 731,657.40 : x - Step 2: Convert to fraction form
2,625,307.80/3,937,475.70 = 731,657.40/x - Step 3: Cross multiply
2,625,307.80x = 3,937,475.70 × 731,657.40 - Step 4: Simplify right side
2,625,307.80x = 2,880,883,233,225.18 - Step 5: Solve for x
x = 2,880,883,233,225.18/2,625,307.80 - Step 6: Final answer
x = 1,097,350.65
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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.