Finding the Fourth Proportional to 4,821,390.65, 6,653,079.32 and 2,860,930.84
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Solution
The fourth proportional to 4,821,390.65, 6,653,079.32 and 2,860,930.84 is: 3,947,823.60
Step by Step Solution
- Step 1: Write the proportion equation
4,821,390.65 : 6,653,079.32 = 2,860,930.84 : x - Step 2: Convert to fraction form
4,821,390.65/6,653,079.32 = 2,860,930.84/x - Step 3: Cross multiply
4,821,390.65x = 6,653,079.32 × 2,860,930.84 - Step 4: Simplify right side
4,821,390.65x = 19,033,999,807,554.23 - Step 5: Solve for x
x = 19,033,999,807,554.23/4,821,390.65 - Step 6: Final answer
x = 3,947,823.60
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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.