Finding the Fourth Proportional to 4,581,807.68, 6,322,135.36 and 2,648,248.64
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Solution
The fourth proportional to 4,581,807.68, 6,322,135.36 and 2,648,248.64 is: 3,654,144.29
Step by Step Solution
- Step 1: Write the proportion equation
4,581,807.68 : 6,322,135.36 = 2,648,248.64 : x - Step 2: Convert to fraction form
4,581,807.68/6,322,135.36 = 2,648,248.64/x - Step 3: Cross multiply
4,581,807.68x = 6,322,135.36 × 2,648,248.64 - Step 4: Simplify right side
4,581,807.68x = 16,742,586,369,015.91 - Step 5: Solve for x
x = 16,742,586,369,015.91/4,581,807.68 - Step 6: Final answer
x = 3,654,144.29
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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.