Finding the Fourth Proportional to 1,010,405.10, 1,515,603.40 and 411,224.21
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Solution
The fourth proportional to 1,010,405.10, 1,515,603.40 and 411,224.21 is: 616,834.58
Step by Step Solution
- Step 1: Write the proportion equation
1,010,405.10 : 1,515,603.40 = 411,224.21 : x - Step 2: Convert to fraction form
1,010,405.10/1,515,603.40 = 411,224.21/x - Step 3: Cross multiply
1,010,405.10x = 1,515,603.40 × 411,224.21 - Step 4: Simplify right side
1,010,405.10x = 623,252,801,204.18 - Step 5: Solve for x
x = 623,252,801,204.18/1,010,405.10 - Step 6: Final answer
x = 616,834.58
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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.