Finding the Fourth Proportional to 1,803,618.09, 2,705,418.63 and 455,783.76
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Solution
The fourth proportional to 1,803,618.09, 2,705,418.63 and 455,783.76 is: 683,673.49
Step by Step Solution
- Step 1: Write the proportion equation
1,803,618.09 : 2,705,418.63 = 455,783.76 : x - Step 2: Convert to fraction form
1,803,618.09/2,705,418.63 = 455,783.76/x - Step 3: Cross multiply
1,803,618.09x = 2,705,418.63 × 455,783.76 - Step 4: Simplify right side
1,803,618.09x = 1,233,085,875,555.45 - Step 5: Solve for x
x = 1,233,085,875,555.45/1,803,618.09 - Step 6: Final answer
x = 683,673.49
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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.