Finding the Fourth Proportional to 3,571,238.68, 4,928,345.58 and 1,939,661.80
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Solution
The fourth proportional to 3,571,238.68, 4,928,345.58 and 1,939,661.80 is: 2,676,752.95
Step by Step Solution
- Step 1: Write the proportion equation
3,571,238.68 : 4,928,345.58 = 1,939,661.80 : x - Step 2: Convert to fraction form
3,571,238.68/4,928,345.58 = 1,939,661.80/x - Step 3: Cross multiply
3,571,238.68x = 4,928,345.58 × 1,939,661.80 - Step 4: Simplify right side
3,571,238.68x = 9,559,323,658,724.84 - Step 5: Solve for x
x = 9,559,323,658,724.84/3,571,238.68 - Step 6: Final answer
x = 2,676,752.95
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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.