Finding the Fourth Proportional to 2,635,440.12, 3,637,297.44 and 1,668,660.12
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Solution
The fourth proportional to 2,635,440.12, 3,637,297.44 and 1,668,660.12 is: 2,302,997.95
Step by Step Solution
- Step 1: Write the proportion equation
2,635,440.12 : 3,637,297.44 = 1,668,660.12 : x - Step 2: Convert to fraction form
2,635,440.12/3,637,297.44 = 1,668,660.12/x - Step 3: Cross multiply
2,635,440.12x = 3,637,297.44 × 1,668,660.12 - Step 4: Simplify right side
2,635,440.12x = 6,069,413,182,706.09 - Step 5: Solve for x
x = 6,069,413,182,706.09/2,635,440.12 - Step 6: Final answer
x = 2,302,997.95
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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.