Finding the Fourth Proportional to 5,638,695.58, 7,781,474.55 and 3,060,407.26
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Solution
The fourth proportional to 5,638,695.58, 7,781,474.55 and 3,060,407.26 is: 4,223,402.53
Step by Step Solution
- Step 1: Write the proportion equation
5,638,695.58 : 7,781,474.55 = 3,060,407.26 : x - Step 2: Convert to fraction form
5,638,695.58/7,781,474.55 = 3,060,407.26/x - Step 3: Cross multiply
5,638,695.58x = 7,781,474.55 × 3,060,407.26 - Step 4: Simplify right side
5,638,695.58x = 23,814,481,206,325.23 - Step 5: Solve for x
x = 23,814,481,206,325.23/5,638,695.58 - Step 6: Final answer
x = 4,223,402.53
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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.