Finding the Fourth Proportional to 5,416,723.47, 8,119,999.07 and 1,819,975.07
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Solution
The fourth proportional to 5,416,723.47, 8,119,999.07 and 1,819,975.07 is: 2,728,253.71
Step by Step Solution
- Step 1: Write the proportion equation
5,416,723.47 : 8,119,999.07 = 1,819,975.07 : x - Step 2: Convert to fraction form
5,416,723.47/8,119,999.07 = 1,819,975.07/x - Step 3: Cross multiply
5,416,723.47x = 8,119,999.07 × 1,819,975.07 - Step 4: Simplify right side
5,416,723.47x = 14,778,195,893,848.21 - Step 5: Solve for x
x = 14,778,195,893,848.21/5,416,723.47 - Step 6: Final answer
x = 2,728,253.71
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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.