Finding the Fourth Proportional to 4,508,486.64, 6,218,083.72 and 3,963,457.08
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Solution
The fourth proportional to 4,508,486.64, 6,218,083.72 and 3,963,457.08 is: 5,466,381.50
Step by Step Solution
- Step 1: Write the proportion equation
4,508,486.64 : 6,218,083.72 = 3,963,457.08 : x - Step 2: Convert to fraction form
4,508,486.64/6,218,083.72 = 3,963,457.08/x - Step 3: Cross multiply
4,508,486.64x = 6,218,083.72 × 3,963,457.08 - Step 4: Simplify right side
4,508,486.64x = 24,645,107,944,066.74 - Step 5: Solve for x
x = 24,645,107,944,066.74/4,508,486.64 - Step 6: Final answer
x = 5,466,381.50
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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.