Finding the Fourth Proportional to 6,279,079.80, 9,418,619.70 and 1,551,271.80
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Solution
The fourth proportional to 6,279,079.80, 9,418,619.70 and 1,551,271.80 is: 2,326,907.70
Step by Step Solution
- Step 1: Write the proportion equation
6,279,079.80 : 9,418,619.70 = 1,551,271.80 : x - Step 2: Convert to fraction form
6,279,079.80/9,418,619.70 = 1,551,271.80/x - Step 3: Cross multiply
6,279,079.80x = 9,418,619.70 × 1,551,271.80 - Step 4: Simplify right side
6,279,079.80x = 14,610,839,135,534.46 - Step 5: Solve for x
x = 14,610,839,135,534.46/6,279,079.80 - Step 6: Final answer
x = 2,326,907.70
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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.