Finding the Fourth Proportional to 2,248,167.12, 3,102,393.75 and 1,281,608.70
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Solution
The fourth proportional to 2,248,167.12, 3,102,393.75 and 1,281,608.70 is: 1,768,576.18
Step by Step Solution
- Step 1: Write the proportion equation
2,248,167.12 : 3,102,393.75 = 1,281,608.70 : x - Step 2: Convert to fraction form
2,248,167.12/3,102,393.75 = 1,281,608.70/x - Step 3: Cross multiply
2,248,167.12x = 3,102,393.75 × 1,281,608.70 - Step 4: Simplify right side
2,248,167.12x = 3,976,054,820,825.63 - Step 5: Solve for x
x = 3,976,054,820,825.63/2,248,167.12 - Step 6: Final answer
x = 1,768,576.18
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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.