Finding the Fourth Proportional to 1,545,973.92, 2,133,446.51 and 857,645.80
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Solution
The fourth proportional to 1,545,973.92, 2,133,446.51 and 857,645.80 is: 1,183,552.59
Step by Step Solution
- Step 1: Write the proportion equation
1,545,973.92 : 2,133,446.51 = 857,645.80 : x - Step 2: Convert to fraction form
1,545,973.92/2,133,446.51 = 857,645.80/x - Step 3: Cross multiply
1,545,973.92x = 2,133,446.51 × 857,645.80 - Step 4: Simplify right side
1,545,973.92x = 1,829,741,447,637.29 - Step 5: Solve for x
x = 1,829,741,447,637.29/1,545,973.92 - Step 6: Final answer
x = 1,183,552.59
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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.