Finding the Fourth Proportional to 4,849,319.68, 7,276,077.12 and 2,602,833.28
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Solution
The fourth proportional to 4,849,319.68, 7,276,077.12 and 2,602,833.28 is: 3,905,375.79
Step by Step Solution
- Step 1: Write the proportion equation
4,849,319.68 : 7,276,077.12 = 2,602,833.28 : x - Step 2: Convert to fraction form
4,849,319.68/7,276,077.12 = 2,602,833.28/x - Step 3: Cross multiply
4,849,319.68x = 7,276,077.12 × 2,602,833.28 - Step 4: Simplify right side
4,849,319.68x = 18,938,415,675,782.55 - Step 5: Solve for x
x = 18,938,415,675,782.55/4,849,319.68 - Step 6: Final answer
x = 3,905,375.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.