Finding the Fourth Proportional to 4,914,767.84, 6,782,411.12 and 2,739,448.94
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Solution
The fourth proportional to 4,914,767.84, 6,782,411.12 and 2,739,448.94 is: 3,780,457.09
Step by Step Solution
- Step 1: Write the proportion equation
4,914,767.84 : 6,782,411.12 = 2,739,448.94 : x - Step 2: Convert to fraction form
4,914,767.84/6,782,411.12 = 2,739,448.94/x - Step 3: Cross multiply
4,914,767.84x = 6,782,411.12 × 2,739,448.94 - Step 4: Simplify right side
4,914,767.84x = 18,580,068,905,718.91 - Step 5: Solve for x
x = 18,580,068,905,718.91/4,914,767.84 - Step 6: Final answer
x = 3,780,457.09
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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.