Finding the Fourth Proportional to 4,812,647.29, 6,641,451.35 and 2,666,471.29
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Solution
The fourth proportional to 4,812,647.29, 6,641,451.35 and 2,666,471.29 is: 3,679,729.32
Step by Step Solution
- Step 1: Write the proportion equation
4,812,647.29 : 6,641,451.35 = 2,666,471.29 : x - Step 2: Convert to fraction form
4,812,647.29/6,641,451.35 = 2,666,471.29/x - Step 3: Cross multiply
4,812,647.29x = 6,641,451.35 × 2,666,471.29 - Step 4: Simplify right side
4,812,647.29x = 17,709,239,322,165.66 - Step 5: Solve for x
x = 17,709,239,322,165.66/4,812,647.29 - Step 6: Final answer
x = 3,679,729.32
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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.