Finding the Fourth Proportional to 2,349,063.21, 3,242,161.86 and 1,531,848.12
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Solution
The fourth proportional to 2,349,063.21, 3,242,161.86 and 1,531,848.12 is: 2,114,246.87
Step by Step Solution
- Step 1: Write the proportion equation
2,349,063.21 : 3,242,161.86 = 1,531,848.12 : x - Step 2: Convert to fraction form
2,349,063.21/3,242,161.86 = 1,531,848.12/x - Step 3: Cross multiply
2,349,063.21x = 3,242,161.86 × 1,531,848.12 - Step 4: Simplify right side
2,349,063.21x = 4,966,499,549,976.70 - Step 5: Solve for x
x = 4,966,499,549,976.70/2,349,063.21 - Step 6: Final answer
x = 2,114,246.87
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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.