Finding the Fourth Proportional to 1,838,421.40, 2,754,351.60 and 889,700.80
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Solution
The fourth proportional to 1,838,421.40, 2,754,351.60 and 889,700.80 is: 1,332,963.61
Step by Step Solution
- Step 1: Write the proportion equation
1,838,421.40 : 2,754,351.60 = 889,700.80 : x - Step 2: Convert to fraction form
1,838,421.40/2,754,351.60 = 889,700.80/x - Step 3: Cross multiply
1,838,421.40x = 2,754,351.60 × 889,700.80 - Step 4: Simplify right side
1,838,421.40x = 2,450,548,822,001.28 - Step 5: Solve for x
x = 2,450,548,822,001.28/1,838,421.40 - Step 6: Final answer
x = 1,332,963.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.