Finding the Fourth Proportional to 2,952,799.12, 4,074,758.76 and 1,663,909.84
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Solution
The fourth proportional to 2,952,799.12, 4,074,758.76 and 1,663,909.84 is: 2,296,136.96
Step by Step Solution
- Step 1: Write the proportion equation
2,952,799.12 : 4,074,758.76 = 1,663,909.84 : x - Step 2: Convert to fraction form
2,952,799.12/4,074,758.76 = 1,663,909.84/x - Step 3: Cross multiply
2,952,799.12x = 4,074,758.76 × 1,663,909.84 - Step 4: Simplify right side
2,952,799.12x = 6,780,031,196,390.20 - Step 5: Solve for x
x = 6,780,031,196,390.20/2,952,799.12 - Step 6: Final answer
x = 2,296,136.96
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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.