Finding the Fourth Proportional to 1,545,272.90, 2,132,694.42 and 857,097.81
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Solution
The fourth proportional to 1,545,272.90, 2,132,694.42 and 857,097.81 is: 1,182,915.79
Step by Step Solution
- Step 1: Write the proportion equation
1,545,272.90 : 2,132,694.42 = 857,097.81 : x - Step 2: Convert to fraction form
1,545,272.90/2,132,694.42 = 857,097.81/x - Step 3: Cross multiply
1,545,272.90x = 2,132,694.42 × 857,097.81 - Step 4: Simplify right side
1,545,272.90x = 1,827,927,716,781.22 - Step 5: Solve for x
x = 1,827,927,716,781.22/1,545,272.90 - Step 6: Final answer
x = 1,182,915.79
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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.