Finding the Fourth Proportional to 2,072,621.79, 3,109,044.06 and 652,788.99
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Solution
The fourth proportional to 2,072,621.79, 3,109,044.06 and 652,788.99 is: 979,218.56
Step by Step Solution
- Step 1: Write the proportion equation
2,072,621.79 : 3,109,044.06 = 652,788.99 : x - Step 2: Convert to fraction form
2,072,621.79/3,109,044.06 = 652,788.99/x - Step 3: Cross multiply
2,072,621.79x = 3,109,044.06 × 652,788.99 - Step 4: Simplify right side
2,072,621.79x = 2,029,549,731,792.90 - Step 5: Solve for x
x = 2,029,549,731,792.90/2,072,621.79 - Step 6: Final answer
x = 979,218.56
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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.