Finding the Fourth Proportional to 1,495,409.70, 2,243,114.55 and 1,379,936.10
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Solution
The fourth proportional to 1,495,409.70, 2,243,114.55 and 1,379,936.10 is: 2,069,904.15
Step by Step Solution
- Step 1: Write the proportion equation
1,495,409.70 : 2,243,114.55 = 1,379,936.10 : x - Step 2: Convert to fraction form
1,495,409.70/2,243,114.55 = 1,379,936.10/x - Step 3: Cross multiply
1,495,409.70x = 2,243,114.55 × 1,379,936.10 - Step 4: Simplify right side
1,495,409.70x = 3,095,354,743,980.26 - Step 5: Solve for x
x = 3,095,354,743,980.26/1,495,409.70 - Step 6: Final answer
x = 2,069,904.15
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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.