Finding the Fourth Proportional to 1,897,955.84, 2,847,589.76 and 1,187,136.96
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Solution
The fourth proportional to 1,897,955.84, 2,847,589.76 and 1,187,136.96 is: 1,781,115.76
Step by Step Solution
- Step 1: Write the proportion equation
1,897,955.84 : 2,847,589.76 = 1,187,136.96 : x - Step 2: Convert to fraction form
1,897,955.84/2,847,589.76 = 1,187,136.96/x - Step 3: Cross multiply
1,897,955.84x = 2,847,589.76 × 1,187,136.96 - Step 4: Simplify right side
1,897,955.84x = 3,380,479,051,013.53 - Step 5: Solve for x
x = 3,380,479,051,013.53/1,897,955.84 - Step 6: Final answer
x = 1,781,115.76
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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.