Finding the Fourth Proportional to 5,620,367.85, 8,430,858.35 and 1,781,912.67
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Solution
The fourth proportional to 5,620,367.85, 8,430,858.35 and 1,781,912.67 is: 2,672,966.20
Step by Step Solution
- Step 1: Write the proportion equation
5,620,367.85 : 8,430,858.35 = 1,781,912.67 : x - Step 2: Convert to fraction form
5,620,367.85/8,430,858.35 = 1,781,912.67/x - Step 3: Cross multiply
5,620,367.85x = 8,430,858.35 × 1,781,912.67 - Step 4: Simplify right side
5,620,367.85x = 15,023,053,312,840.29 - Step 5: Solve for x
x = 15,023,053,312,840.29/5,620,367.85 - Step 6: Final answer
x = 2,672,966.20
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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.