Finding the Fourth Proportional to 3,205,347.28, 4,422,973.98 and 2,553,626.24
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Solution
The fourth proportional to 3,205,347.28, 4,422,973.98 and 2,553,626.24 is: 3,523,681.34
Step by Step Solution
- Step 1: Write the proportion equation
3,205,347.28 : 4,422,973.98 = 2,553,626.24 : x - Step 2: Convert to fraction form
3,205,347.28/4,422,973.98 = 2,553,626.24/x - Step 3: Cross multiply
3,205,347.28x = 4,422,973.98 × 2,553,626.24 - Step 4: Simplify right side
3,205,347.28x = 11,294,622,414,165.24 - Step 5: Solve for x
x = 11,294,622,414,165.24/3,205,347.28 - Step 6: Final answer
x = 3,523,681.34
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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.