Finding the Fourth Proportional to 6,221,127.80, 9,331,690.74 and 1,493,319.80
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Solution
The fourth proportional to 6,221,127.80, 9,331,690.74 and 1,493,319.80 is: 2,239,979.47
Step by Step Solution
- Step 1: Write the proportion equation
6,221,127.80 : 9,331,690.74 = 1,493,319.80 : x - Step 2: Convert to fraction form
6,221,127.80/9,331,690.74 = 1,493,319.80/x - Step 3: Cross multiply
6,221,127.80x = 9,331,690.74 × 1,493,319.80 - Step 4: Simplify right side
6,221,127.80x = 13,935,198,549,518.65 - Step 5: Solve for x
x = 13,935,198,549,518.65/6,221,127.80 - Step 6: Final answer
x = 2,239,979.47
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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.