Finding the Fourth Proportional to 1,660,369.20, 2,490,553.80 and 1,497,656.40
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Solution
The fourth proportional to 1,660,369.20, 2,490,553.80 and 1,497,656.40 is: 2,246,484.60
Step by Step Solution
- Step 1: Write the proportion equation
1,660,369.20 : 2,490,553.80 = 1,497,656.40 : x - Step 2: Convert to fraction form
1,660,369.20/2,490,553.80 = 1,497,656.40/x - Step 3: Cross multiply
1,660,369.20x = 2,490,553.80 × 1,497,656.40 - Step 4: Simplify right side
1,660,369.20x = 3,729,993,838,114.32 - Step 5: Solve for x
x = 3,729,993,838,114.32/1,660,369.20 - Step 6: Final answer
x = 2,246,484.60
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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.