Finding the Fourth Proportional to 4,518,266.56, 6,778,728.52 and 1,821,203.48
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Solution
The fourth proportional to 4,518,266.56, 6,778,728.52 and 1,821,203.48 is: 2,732,340.78
Step by Step Solution
- Step 1: Write the proportion equation
4,518,266.56 : 6,778,728.52 = 1,821,203.48 : x - Step 2: Convert to fraction form
4,518,266.56/6,778,728.52 = 1,821,203.48/x - Step 3: Cross multiply
4,518,266.56x = 6,778,728.52 × 1,821,203.48 - Step 4: Simplify right side
4,518,266.56x = 12,345,443,970,599.25 - Step 5: Solve for x
x = 12,345,443,970,599.25/4,518,266.56 - Step 6: Final answer
x = 2,732,340.78
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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.