Finding the Fourth Proportional to 1,540,439.84, 2,309,985.66 and 731,056.20
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Solution
The fourth proportional to 1,540,439.84, 2,309,985.66 and 731,056.20 is: 1,096,264.39
Step by Step Solution
- Step 1: Write the proportion equation
1,540,439.84 : 2,309,985.66 = 731,056.20 : x - Step 2: Convert to fraction form
1,540,439.84/2,309,985.66 = 731,056.20/x - Step 3: Cross multiply
1,540,439.84x = 2,309,985.66 × 731,056.20 - Step 4: Simplify right side
1,540,439.84x = 1,688,729,338,654.09 - Step 5: Solve for x
x = 1,688,729,338,654.09/1,540,439.84 - Step 6: Final answer
x = 1,096,264.39
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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.