Finding the Fourth Proportional to 4,518,265.56, 6,778,727.04 and 1,821,202.50
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Solution
The fourth proportional to 4,518,265.56, 6,778,727.04 and 1,821,202.50 is: 2,732,339.32
Step by Step Solution
- Step 1: Write the proportion equation
4,518,265.56 : 6,778,727.04 = 1,821,202.50 : x - Step 2: Convert to fraction form
4,518,265.56/6,778,727.04 = 1,821,202.50/x - Step 3: Cross multiply
4,518,265.56x = 6,778,727.04 × 1,821,202.50 - Step 4: Simplify right side
4,518,265.56x = 12,345,434,632,065.60 - Step 5: Solve for x
x = 12,345,434,632,065.60/4,518,265.56 - Step 6: Final answer
x = 2,732,339.32
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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.