Finding the Fourth Proportional to 1,731,312.10, 2,596,968.15 and 1,706,428.90
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Solution
The fourth proportional to 1,731,312.10, 2,596,968.15 and 1,706,428.90 is: 2,559,643.35
Step by Step Solution
- Step 1: Write the proportion equation
1,731,312.10 : 2,596,968.15 = 1,706,428.90 : x - Step 2: Convert to fraction form
1,731,312.10/2,596,968.15 = 1,706,428.90/x - Step 3: Cross multiply
1,731,312.10x = 2,596,968.15 × 1,706,428.90 - Step 4: Simplify right side
1,731,312.10x = 4,431,541,503,539.53 - Step 5: Solve for x
x = 4,431,541,503,539.53/1,731,312.10 - Step 6: Final answer
x = 2,559,643.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.