Finding the Fourth Proportional to 4,457,275.68, 6,688,569.72 and 1,617,609.24
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Solution
The fourth proportional to 4,457,275.68, 6,688,569.72 and 1,617,609.24 is: 2,427,377.83
Step by Step Solution
- Step 1: Write the proportion equation
4,457,275.68 : 6,688,569.72 = 1,617,609.24 : x - Step 2: Convert to fraction form
4,457,275.68/6,688,569.72 = 1,617,609.24/x - Step 3: Cross multiply
4,457,275.68x = 6,688,569.72 × 1,617,609.24 - Step 4: Simplify right side
4,457,275.68x = 10,819,492,181,456.21 - Step 5: Solve for x
x = 10,819,492,181,456.21/4,457,275.68 - Step 6: Final answer
x = 2,427,377.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.