Finding the Fourth Proportional to 2,209,589.48, 3,048,881.97 and 1,242,532.86
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Solution
The fourth proportional to 2,209,589.48, 3,048,881.97 and 1,242,532.86 is: 1,714,497.68
Step by Step Solution
- Step 1: Write the proportion equation
2,209,589.48 : 3,048,881.97 = 1,242,532.86 : x - Step 2: Convert to fraction form
2,209,589.48/3,048,881.97 = 1,242,532.86/x - Step 3: Cross multiply
2,209,589.48x = 3,048,881.97 × 1,242,532.86 - Step 4: Simplify right side
2,209,589.48x = 3,788,336,037,373.44 - Step 5: Solve for x
x = 3,788,336,037,373.44/2,209,589.48 - Step 6: Final answer
x = 1,714,497.68
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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.