Finding the Fourth Proportional to 2,403,855.87, 3,317,195.05 and 1,315,919.08
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Solution
The fourth proportional to 2,403,855.87, 3,317,195.05 and 1,315,919.08 is: 1,815,899.33
Step by Step Solution
- Step 1: Write the proportion equation
2,403,855.87 : 3,317,195.05 = 1,315,919.08 : x - Step 2: Convert to fraction form
2,403,855.87/3,317,195.05 = 1,315,919.08/x - Step 3: Cross multiply
2,403,855.87x = 3,317,195.05 × 1,315,919.08 - Step 4: Simplify right side
2,403,855.87x = 4,365,160,258,376.55 - Step 5: Solve for x
x = 4,365,160,258,376.55/2,403,855.87 - Step 6: Final answer
x = 1,815,899.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.