Finding the Fourth Proportional to 3,415,855.84, 4,712,015.34 and 2,190,798.23
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Solution
The fourth proportional to 3,415,855.84, 4,712,015.34 and 2,190,798.23 is: 3,022,104.95
Step by Step Solution
- Step 1: Write the proportion equation
3,415,855.84 : 4,712,015.34 = 2,190,798.23 : x - Step 2: Convert to fraction form
3,415,855.84/4,712,015.34 = 2,190,798.23/x - Step 3: Cross multiply
3,415,855.84x = 4,712,015.34 × 2,190,798.23 - Step 4: Simplify right side
3,415,855.84x = 10,323,074,843,044.77 - Step 5: Solve for x
x = 10,323,074,843,044.77/3,415,855.84 - Step 6: Final answer
x = 3,022,104.95
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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.