Finding the Fourth Proportional to 6,480,936.04, 8,943,947.55 and 3,727,619.07
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Solution
The fourth proportional to 6,480,936.04, 8,943,947.55 and 3,727,619.07 is: 5,144,261.45
Step by Step Solution
- Step 1: Write the proportion equation
6,480,936.04 : 8,943,947.55 = 3,727,619.07 : x - Step 2: Convert to fraction form
6,480,936.04/8,943,947.55 = 3,727,619.07/x - Step 3: Cross multiply
6,480,936.04x = 8,943,947.55 × 3,727,619.07 - Step 4: Simplify right side
6,480,936.04x = 33,339,629,448,459.78 - Step 5: Solve for x
x = 33,339,629,448,459.78/6,480,936.04 - Step 6: Final answer
x = 5,144,261.45
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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.