Finding the Fourth Proportional to 5,432,564.60, 8,148,848.41 and 2,020,405.37
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Solution
The fourth proportional to 5,432,564.60, 8,148,848.41 and 2,020,405.37 is: 3,030,608.62
Step by Step Solution
- Step 1: Write the proportion equation
5,432,564.60 : 8,148,848.41 = 2,020,405.37 : x - Step 2: Convert to fraction form
5,432,564.60/8,148,848.41 = 2,020,405.37/x - Step 3: Cross multiply
5,432,564.60x = 8,148,848.41 × 2,020,405.37 - Step 4: Simplify right side
5,432,564.60x = 16,463,977,086,879.96 - Step 5: Solve for x
x = 16,463,977,086,879.96/5,432,564.60 - Step 6: Final answer
x = 3,030,608.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.