Finding the Fourth Proportional to 2,830,063.14, 3,905,557.11 and 1,540,974.06
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Solution
The fourth proportional to 2,830,063.14, 3,905,557.11 and 1,540,974.06 is: 2,126,582.31
Step by Step Solution
- Step 1: Write the proportion equation
2,830,063.14 : 3,905,557.11 = 1,540,974.06 : x - Step 2: Convert to fraction form
2,830,063.14/3,905,557.11 = 1,540,974.06/x - Step 3: Cross multiply
2,830,063.14x = 3,905,557.11 × 1,540,974.06 - Step 4: Simplify right side
2,830,063.14x = 6,018,362,196,358.57 - Step 5: Solve for x
x = 6,018,362,196,358.57/2,830,063.14 - Step 6: Final answer
x = 2,126,582.31
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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.