Finding the Fourth Proportional to 3,106,443.65, 4,287,491.19 and 1,883,419.02
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Solution
The fourth proportional to 3,106,443.65, 4,287,491.19 and 1,883,419.02 is: 2,599,481.39
Step by Step Solution
- Step 1: Write the proportion equation
3,106,443.65 : 4,287,491.19 = 1,883,419.02 : x - Step 2: Convert to fraction form
3,106,443.65/4,287,491.19 = 1,883,419.02/x - Step 3: Cross multiply
3,106,443.65x = 4,287,491.19 × 1,883,419.02 - Step 4: Simplify right side
3,106,443.65x = 8,075,142,455,328.44 - Step 5: Solve for x
x = 8,075,142,455,328.44/3,106,443.65 - Step 6: Final answer
x = 2,599,481.39
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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.