Finding the Fourth Proportional to 1,747,643.64, 2,411,171.46 and 1,424,798.70
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Solution
The fourth proportional to 1,747,643.64, 2,411,171.46 and 1,424,798.70 is: 1,965,751.99
Step by Step Solution
- Step 1: Write the proportion equation
1,747,643.64 : 2,411,171.46 = 1,424,798.70 : x - Step 2: Convert to fraction form
1,747,643.64/2,411,171.46 = 1,424,798.70/x - Step 3: Cross multiply
1,747,643.64x = 2,411,171.46 × 1,424,798.70 - Step 4: Simplify right side
1,747,643.64x = 3,435,433,961,685.10 - Step 5: Solve for x
x = 3,435,433,961,685.10/1,747,643.64 - Step 6: Final answer
x = 1,965,751.99
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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.