Finding the Fourth Proportional to 5,202,447.13, 7,788,122.90 and 3,146,886.93
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Solution
The fourth proportional to 5,202,447.13, 7,788,122.90 and 3,146,886.93 is: 4,710,925.75
Step by Step Solution
- Step 1: Write the proportion equation
5,202,447.13 : 7,788,122.90 = 3,146,886.93 : x - Step 2: Convert to fraction form
5,202,447.13/7,788,122.90 = 3,146,886.93/x - Step 3: Cross multiply
5,202,447.13x = 7,788,122.90 × 3,146,886.93 - Step 4: Simplify right side
5,202,447.13x = 24,508,342,147,509.26 - Step 5: Solve for x
x = 24,508,342,147,509.26/5,202,447.13 - Step 6: Final answer
x = 4,710,925.75
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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.