Finding the Fourth Proportional to 2,648,157.14, 3,658,146.09 and 2,549,840.42
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Solution
The fourth proportional to 2,648,157.14, 3,658,146.09 and 2,549,840.42 is: 3,522,332.05
Step by Step Solution
- Step 1: Write the proportion equation
2,648,157.14 : 3,658,146.09 = 2,549,840.42 : x - Step 2: Convert to fraction form
2,648,157.14/3,658,146.09 = 2,549,840.42/x - Step 3: Cross multiply
2,648,157.14x = 3,658,146.09 × 2,549,840.42 - Step 4: Simplify right side
2,648,157.14x = 9,327,688,762,546.96 - Step 5: Solve for x
x = 9,327,688,762,546.96/2,648,157.14 - Step 6: Final answer
x = 3,522,332.05
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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.