Finding the Fourth Proportional to 2,460,398.20, 3,395,351.63 and 1,372,669.94
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Solution
The fourth proportional to 2,460,398.20, 3,395,351.63 and 1,372,669.94 is: 1,894,285.70
Step by Step Solution
- Step 1: Write the proportion equation
2,460,398.20 : 3,395,351.63 = 1,372,669.94 : x - Step 2: Convert to fraction form
2,460,398.20/3,395,351.63 = 1,372,669.94/x - Step 3: Cross multiply
2,460,398.20x = 3,395,351.63 × 1,372,669.94 - Step 4: Simplify right side
2,460,398.20x = 4,660,697,125,003.54 - Step 5: Solve for x
x = 4,660,697,125,003.54/2,460,398.20 - Step 6: Final answer
x = 1,894,285.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.