Finding the Fourth Proportional to 2,405,497.54, 3,318,328.28 and 1,487,433.20
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Solution
The fourth proportional to 2,405,497.54, 3,318,328.28 and 1,487,433.20 is: 2,051,879.73
Step by Step Solution
- Step 1: Write the proportion equation
2,405,497.54 : 3,318,328.28 = 1,487,433.20 : x - Step 2: Convert to fraction form
2,405,497.54/3,318,328.28 = 1,487,433.20/x - Step 3: Cross multiply
2,405,497.54x = 3,318,328.28 × 1,487,433.20 - Step 4: Simplify right side
2,405,497.54x = 4,935,791,652,170.90 - Step 5: Solve for x
x = 4,935,791,652,170.90/2,405,497.54 - Step 6: Final answer
x = 2,051,879.73
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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.