Finding the Fourth Proportional to 3,919,770.55, 5,881,580.05 and 1,762,317.95
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Solution
The fourth proportional to 3,919,770.55, 5,881,580.05 and 1,762,317.95 is: 2,644,342.05
Step by Step Solution
- Step 1: Write the proportion equation
3,919,770.55 : 5,881,580.05 = 1,762,317.95 : x - Step 2: Convert to fraction form
3,919,770.55/5,881,580.05 = 1,762,317.95/x - Step 3: Cross multiply
3,919,770.55x = 5,881,580.05 × 1,762,317.95 - Step 4: Simplify right side
3,919,770.55x = 10,365,214,065,967.55 - Step 5: Solve for x
x = 10,365,214,065,967.55/3,919,770.55 - Step 6: Final answer
x = 2,644,342.05
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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.