Finding the Fourth Proportional to 4,371,857.16, 6,557,779.74 and 1,176,986.76
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Solution
The fourth proportional to 4,371,857.16, 6,557,779.74 and 1,176,986.76 is: 1,765,478.52
Step by Step Solution
- Step 1: Write the proportion equation
4,371,857.16 : 6,557,779.74 = 1,176,986.76 : x - Step 2: Convert to fraction form
4,371,857.16/6,557,779.74 = 1,176,986.76/x - Step 3: Cross multiply
4,371,857.16x = 6,557,779.74 × 1,176,986.76 - Step 4: Simplify right side
4,371,857.16x = 7,718,419,928,976.24 - Step 5: Solve for x
x = 7,718,419,928,976.24/4,371,857.16 - Step 6: Final answer
x = 1,765,478.52
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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.