Finding the Fourth Proportional to 3,778,731.24, 5,669,201.16 and 1,219,886.16
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Solution
The fourth proportional to 3,778,731.24, 5,669,201.16 and 1,219,886.16 is: 1,830,185.74
Step by Step Solution
- Step 1: Write the proportion equation
3,778,731.24 : 5,669,201.16 = 1,219,886.16 : x - Step 2: Convert to fraction form
3,778,731.24/5,669,201.16 = 1,219,886.16/x - Step 3: Cross multiply
3,778,731.24x = 5,669,201.16 × 1,219,886.16 - Step 4: Simplify right side
3,778,731.24x = 6,915,780,033,339.95 - Step 5: Solve for x
x = 6,915,780,033,339.95/3,778,731.24 - Step 6: Final answer
x = 1,830,185.74
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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.