Finding the Fourth Proportional to 7,285,554.80, 10,928,862.60 and 2,797,830.80
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Solution
The fourth proportional to 7,285,554.80, 10,928,862.60 and 2,797,830.80 is: 4,196,949.89
Step by Step Solution
- Step 1: Write the proportion equation
7,285,554.80 : 10,928,862.60 = 2,797,830.80 : x - Step 2: Convert to fraction form
7,285,554.80/10,928,862.60 = 2,797,830.80/x - Step 3: Cross multiply
7,285,554.80x = 10,928,862.60 × 2,797,830.80 - Step 4: Simplify right side
7,285,554.80x = 30,577,108,391,248.08 - Step 5: Solve for x
x = 30,577,108,391,248.08/7,285,554.80 - Step 6: Final answer
x = 4,196,949.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.