Finding the Fourth Proportional to 4,869,305.28, 6,719,952.27 and 2,723,129.28
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Solution
The fourth proportional to 4,869,305.28, 6,719,952.27 and 2,723,129.28 is: 3,758,092.32
Step by Step Solution
- Step 1: Write the proportion equation
4,869,305.28 : 6,719,952.27 = 2,723,129.28 : x - Step 2: Convert to fraction form
4,869,305.28/6,719,952.27 = 2,723,129.28/x - Step 3: Cross multiply
4,869,305.28x = 6,719,952.27 × 2,723,129.28 - Step 4: Simplify right side
4,869,305.28x = 18,299,298,786,639.46 - Step 5: Solve for x
x = 18,299,298,786,639.46/4,869,305.28 - Step 6: Final answer
x = 3,758,092.32
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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.