Finding the Fourth Proportional to 1,490,787.84, 2,057,299.92 and 846,209.28
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Solution
The fourth proportional to 1,490,787.84, 2,057,299.92 and 846,209.28 is: 1,167,776.02
Step by Step Solution
- Step 1: Write the proportion equation
1,490,787.84 : 2,057,299.92 = 846,209.28 : x - Step 2: Convert to fraction form
1,490,787.84/2,057,299.92 = 846,209.28/x - Step 3: Cross multiply
1,490,787.84x = 2,057,299.92 × 846,209.28 - Step 4: Simplify right side
1,490,787.84x = 1,740,906,284,047.26 - Step 5: Solve for x
x = 1,740,906,284,047.26/1,490,787.84 - Step 6: Final answer
x = 1,167,776.02
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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.