Finding the Fourth Proportional to 1,545,746.58, 2,133,164.48 and 857,396.03
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Solution
The fourth proportional to 1,545,746.58, 2,133,164.48 and 857,396.03 is: 1,183,225.48
Step by Step Solution
- Step 1: Write the proportion equation
1,545,746.58 : 2,133,164.48 = 857,396.03 : x - Step 2: Convert to fraction form
1,545,746.58/2,133,164.48 = 857,396.03/x - Step 3: Cross multiply
1,545,746.58x = 2,133,164.48 × 857,396.03 - Step 4: Simplify right side
1,545,746.58x = 1,828,966,741,536.21 - Step 5: Solve for x
x = 1,828,966,741,536.21/1,545,746.58 - Step 6: Final answer
x = 1,183,225.48
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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.