Finding the Fourth Proportional to 5,620,370.33, 8,430,862.08 and 1,781,915.13
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Solution
The fourth proportional to 5,620,370.33, 8,430,862.08 and 1,781,915.13 is: 2,672,969.90
Step by Step Solution
- Step 1: Write the proportion equation
5,620,370.33 : 8,430,862.08 = 1,781,915.13 : x - Step 2: Convert to fraction form
5,620,370.33/8,430,862.08 = 1,781,915.13/x - Step 3: Cross multiply
5,620,370.33x = 8,430,862.08 × 1,781,915.13 - Step 4: Simplify right side
5,620,370.33x = 15,023,080,699,295.27 - Step 5: Solve for x
x = 15,023,080,699,295.27/5,620,370.33 - Step 6: Final answer
x = 2,672,969.90
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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.