Finding the Fourth Proportional to 1,866,068.90, 2,798,949.34 and 518,263.18
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Solution
The fourth proportional to 1,866,068.90, 2,798,949.34 and 518,263.18 is: 777,351.99
Step by Step Solution
- Step 1: Write the proportion equation
1,866,068.90 : 2,798,949.34 = 518,263.18 : x - Step 2: Convert to fraction form
1,866,068.90/2,798,949.34 = 518,263.18/x - Step 3: Cross multiply
1,866,068.90x = 2,798,949.34 × 518,263.18 - Step 4: Simplify right side
1,866,068.90x = 1,450,592,379,257.76 - Step 5: Solve for x
x = 1,450,592,379,257.76/1,866,068.90 - Step 6: Final answer
x = 777,351.99
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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.