Finding the Fourth Proportional to 1,761,536.01, 2,638,989.80 and 1,381,302.37
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Solution
The fourth proportional to 1,761,536.01, 2,638,989.80 and 1,381,302.37 is: 2,069,354.72
Step by Step Solution
- Step 1: Write the proportion equation
1,761,536.01 : 2,638,989.80 = 1,381,302.37 : x - Step 2: Convert to fraction form
1,761,536.01/2,638,989.80 = 1,381,302.37/x - Step 3: Cross multiply
1,761,536.01x = 2,638,989.80 × 1,381,302.37 - Step 4: Simplify right side
1,761,536.01x = 3,645,242,847,988.71 - Step 5: Solve for x
x = 3,645,242,847,988.71/1,761,536.01 - Step 6: Final answer
x = 2,069,354.72
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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.