Finding the Fourth Proportional to 1,889,198.80, 2,833,279.98 and 1,130,443.36
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Solution
The fourth proportional to 1,889,198.80, 2,833,279.98 and 1,130,443.36 is: 1,695,354.95
Step by Step Solution
- Step 1: Write the proportion equation
1,889,198.80 : 2,833,279.98 = 1,130,443.36 : x - Step 2: Convert to fraction form
1,889,198.80/2,833,279.98 = 1,130,443.36/x - Step 3: Cross multiply
1,889,198.80x = 2,833,279.98 × 1,130,443.36 - Step 4: Simplify right side
1,889,198.80x = 3,202,862,540,411.93 - Step 5: Solve for x
x = 3,202,862,540,411.93/1,889,198.80 - Step 6: Final answer
x = 1,695,354.95
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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.