Finding the Fourth Proportional to 6,414,292.12, 9,621,357.88 and 1,556,638.88
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Solution
The fourth proportional to 6,414,292.12, 9,621,357.88 and 1,556,638.88 is: 2,334,938.83
Step by Step Solution
- Step 1: Write the proportion equation
6,414,292.12 : 9,621,357.88 = 1,556,638.88 : x - Step 2: Convert to fraction form
6,414,292.12/9,621,357.88 = 1,556,638.88/x - Step 3: Cross multiply
6,414,292.12x = 9,621,357.88 × 1,556,638.88 - Step 4: Simplify right side
6,414,292.12x = 14,976,979,754,402.38 - Step 5: Solve for x
x = 14,976,979,754,402.38/6,414,292.12 - Step 6: Final answer
x = 2,334,938.83
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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.