Finding the Fourth Proportional to 4,805,317.20, 6,631,340.31 and 2,629,859.07
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Solution
The fourth proportional to 4,805,317.20, 6,631,340.31 and 2,629,859.07 is: 3,629,206.93
Step by Step Solution
- Step 1: Write the proportion equation
4,805,317.20 : 6,631,340.31 = 2,629,859.07 : x - Step 2: Convert to fraction form
4,805,317.20/6,631,340.31 = 2,629,859.07/x - Step 3: Cross multiply
4,805,317.20x = 6,631,340.31 × 2,629,859.07 - Step 4: Simplify right side
4,805,317.20x = 17,439,490,460,510.11 - Step 5: Solve for x
x = 17,439,490,460,510.11/4,805,317.20 - Step 6: Final answer
x = 3,629,206.93
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1.5x scale
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.