Finding the Fourth Proportional to 6,815,873.36, 9,405,860.60 and 3,875,690.67
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Solution
The fourth proportional to 6,815,873.36, 9,405,860.60 and 3,875,690.67 is: 5,348,427.74
Step by Step Solution
- Step 1: Write the proportion equation
6,815,873.36 : 9,405,860.60 = 3,875,690.67 : x - Step 2: Convert to fraction form
6,815,873.36/9,405,860.60 = 3,875,690.67/x - Step 3: Cross multiply
6,815,873.36x = 9,405,860.60 × 3,875,690.67 - Step 4: Simplify right side
6,815,873.36x = 36,454,206,104,332.85 - Step 5: Solve for x
x = 36,454,206,104,332.85/6,815,873.36 - Step 6: Final answer
x = 5,348,427.74
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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.