Finding the Fourth Proportional to 2,115,355.84, 3,174,294.52 and 767,623.60
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Solution
The fourth proportional to 2,115,355.84, 3,174,294.52 and 767,623.60 is: 1,151,892.91
Step by Step Solution
- Step 1: Write the proportion equation
2,115,355.84 : 3,174,294.52 = 767,623.60 : x - Step 2: Convert to fraction form
2,115,355.84/3,174,294.52 = 767,623.60/x - Step 3: Cross multiply
2,115,355.84x = 3,174,294.52 × 767,623.60 - Step 4: Simplify right side
2,115,355.84x = 2,436,663,386,902.67 - Step 5: Solve for x
x = 2,436,663,386,902.67/2,115,355.84 - Step 6: Final answer
x = 1,151,892.91
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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.