Finding the Fourth Proportional to 4,842,635.21, 6,682,699.69 and 2,637,448.08
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Solution
The fourth proportional to 4,842,635.21, 6,682,699.69 and 2,637,448.08 is: 3,639,603.79
Step by Step Solution
- Step 1: Write the proportion equation
4,842,635.21 : 6,682,699.69 = 2,637,448.08 : x - Step 2: Convert to fraction form
4,842,635.21/6,682,699.69 = 2,637,448.08/x - Step 3: Cross multiply
4,842,635.21x = 6,682,699.69 × 2,637,448.08 - Step 4: Simplify right side
4,842,635.21x = 17,625,273,466,607.10 - Step 5: Solve for x
x = 17,625,273,466,607.10/4,842,635.21 - Step 6: Final answer
x = 3,639,603.79
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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.