Finding the Fourth Proportional to 4,657,756.26, 6,986,634.38 and 1,291,963.26
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Solution
The fourth proportional to 4,657,756.26, 6,986,634.38 and 1,291,963.26 is: 1,937,944.89
Step by Step Solution
- Step 1: Write the proportion equation
4,657,756.26 : 6,986,634.38 = 1,291,963.26 : x - Step 2: Convert to fraction form
4,657,756.26/6,986,634.38 = 1,291,963.26/x - Step 3: Cross multiply
4,657,756.26x = 6,986,634.38 × 1,291,963.26 - Step 4: Simplify right side
4,657,756.26x = 9,026,474,930,012.88 - Step 5: Solve for x
x = 9,026,474,930,012.88/4,657,756.26 - Step 6: Final answer
x = 1,937,944.89
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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.