Finding the Fourth Proportional to 1,772,691.99, 2,658,815.18 and 493,395.40
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Solution
The fourth proportional to 1,772,691.99, 2,658,815.18 and 493,395.40 is: 740,031.09
Step by Step Solution
- Step 1: Write the proportion equation
1,772,691.99 : 2,658,815.18 = 493,395.40 : x - Step 2: Convert to fraction form
1,772,691.99/2,658,815.18 = 493,395.40/x - Step 3: Cross multiply
1,772,691.99x = 2,658,815.18 × 493,395.40 - Step 4: Simplify right side
1,772,691.99x = 1,311,847,181,968.95 - Step 5: Solve for x
x = 1,311,847,181,968.95/1,772,691.99 - Step 6: Final answer
x = 740,031.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.