Finding the Fourth Proportional to 1,545,470.14, 2,132,717.02 and 857,030.90
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Solution
The fourth proportional to 1,545,470.14, 2,132,717.02 and 857,030.90 is: 1,182,685.02
Step by Step Solution
- Step 1: Write the proportion equation
1,545,470.14 : 2,132,717.02 = 857,030.90 : x - Step 2: Convert to fraction form
1,545,470.14/2,132,717.02 = 857,030.90/x - Step 3: Cross multiply
1,545,470.14x = 2,132,717.02 × 857,030.90 - Step 4: Simplify right side
1,545,470.14x = 1,827,804,372,147.18 - Step 5: Solve for x
x = 1,827,804,372,147.18/1,545,470.14 - Step 6: Final answer
x = 1,182,685.02
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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.