Finding the Fourth Proportional to 1,097,871.84, 1,645,544.13 and 423,654.99
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Solution
The fourth proportional to 1,097,871.84, 1,645,544.13 and 423,654.99 is: 634,994.87
Step by Step Solution
- Step 1: Write the proportion equation
1,097,871.84 : 1,645,544.13 = 423,654.99 : x - Step 2: Convert to fraction form
1,097,871.84/1,645,544.13 = 423,654.99/x - Step 3: Cross multiply
1,097,871.84x = 1,645,544.13 × 423,654.99 - Step 4: Simplify right side
1,097,871.84x = 697,142,981,939.71 - Step 5: Solve for x
x = 697,142,981,939.71/1,097,871.84 - Step 6: Final answer
x = 634,994.87
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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.