Finding the Fourth Proportional to 3,717,521.56, 5,575,019.08 and 1,288,107.87
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Solution
The fourth proportional to 3,717,521.56, 5,575,019.08 and 1,288,107.87 is: 1,931,724.09
Step by Step Solution
- Step 1: Write the proportion equation
3,717,521.56 : 5,575,019.08 = 1,288,107.87 : x - Step 2: Convert to fraction form
3,717,521.56/5,575,019.08 = 1,288,107.87/x - Step 3: Cross multiply
3,717,521.56x = 5,575,019.08 × 1,288,107.87 - Step 4: Simplify right side
3,717,521.56x = 7,181,225,952,348.16 - Step 5: Solve for x
x = 7,181,225,952,348.16/3,717,521.56 - Step 6: Final answer
x = 1,931,724.09
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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.