Finding the Fourth Proportional to 4,818,913.49, 6,650,110.71 and 2,643,474.21
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Solution
The fourth proportional to 4,818,913.49, 6,650,110.71 and 2,643,474.21 is: 3,647,999.95
Step by Step Solution
- Step 1: Write the proportion equation
4,818,913.49 : 6,650,110.71 = 2,643,474.21 : x - Step 2: Convert to fraction form
4,818,913.49/6,650,110.71 = 2,643,474.21/x - Step 3: Cross multiply
4,818,913.49x = 6,650,110.71 × 2,643,474.21 - Step 4: Simplify right side
4,818,913.49x = 17,579,396,155,529.79 - Step 5: Solve for x
x = 17,579,396,155,529.79/4,818,913.49 - Step 6: Final answer
x = 3,647,999.95
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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.