Finding the Fourth Proportional to 4,258,290.60, 6,387,435.90 and 2,578,674.60
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Solution
The fourth proportional to 4,258,290.60, 6,387,435.90 and 2,578,674.60 is: 3,868,011.90
Step by Step Solution
- Step 1: Write the proportion equation
4,258,290.60 : 6,387,435.90 = 2,578,674.60 : x - Step 2: Convert to fraction form
4,258,290.60/6,387,435.90 = 2,578,674.60/x - Step 3: Cross multiply
4,258,290.60x = 6,387,435.90 × 2,578,674.60 - Step 4: Simplify right side
4,258,290.60x = 16,471,118,714,458.14 - Step 5: Solve for x
x = 16,471,118,714,458.14/4,258,290.60 - Step 6: Final answer
x = 3,868,011.90
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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.