Finding the Fourth Proportional to 2,239,590.94, 3,090,635.40 and 1,272,723.10
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Solution
The fourth proportional to 2,239,590.94, 3,090,635.40 and 1,272,723.10 is: 1,756,357.82
Step by Step Solution
- Step 1: Write the proportion equation
2,239,590.94 : 3,090,635.40 = 1,272,723.10 : x - Step 2: Convert to fraction form
2,239,590.94/3,090,635.40 = 1,272,723.10/x - Step 3: Cross multiply
2,239,590.94x = 3,090,635.40 × 1,272,723.10 - Step 4: Simplify right side
2,239,590.94x = 3,933,523,067,257.74 - Step 5: Solve for x
x = 3,933,523,067,257.74/2,239,590.94 - Step 6: Final answer
x = 1,756,357.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.