Finding the Fourth Proportional to 3,221,036.91, 4,828,012.43 and 1,326,744.99
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Solution
The fourth proportional to 3,221,036.91, 4,828,012.43 and 1,326,744.99 is: 1,988,658.15
Step by Step Solution
- Step 1: Write the proportion equation
3,221,036.91 : 4,828,012.43 = 1,326,744.99 : x - Step 2: Convert to fraction form
3,221,036.91/4,828,012.43 = 1,326,744.99/x - Step 3: Cross multiply
3,221,036.91x = 4,828,012.43 × 1,326,744.99 - Step 4: Simplify right side
3,221,036.91x = 6,405,541,296,526.50 - Step 5: Solve for x
x = 6,405,541,296,526.50/3,221,036.91 - Step 6: Final answer
x = 1,988,658.15
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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.