Finding the Fourth Proportional to 6,919,322.60, 9,548,608.14 and 3,779,588.84
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Solution
The fourth proportional to 6,919,322.60, 9,548,608.14 and 3,779,588.84 is: 5,215,801.44
Step by Step Solution
- Step 1: Write the proportion equation
6,919,322.60 : 9,548,608.14 = 3,779,588.84 : x - Step 2: Convert to fraction form
6,919,322.60/9,548,608.14 = 3,779,588.84/x - Step 3: Cross multiply
6,919,322.60x = 9,548,608.14 × 3,779,588.84 - Step 4: Simplify right side
6,919,322.60x = 36,089,812,763,477.16 - Step 5: Solve for x
x = 36,089,812,763,477.16/6,919,322.60 - Step 6: Final answer
x = 5,215,801.44
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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.