Finding the Fourth Proportional to 1,869,007.07, 2,579,230.80 and 1,009,567.35
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Solution
The fourth proportional to 1,869,007.07, 2,579,230.80 and 1,009,567.35 is: 1,393,203.50
Step by Step Solution
- Step 1: Write the proportion equation
1,869,007.07 : 2,579,230.80 = 1,009,567.35 : x - Step 2: Convert to fraction form
1,869,007.07/2,579,230.80 = 1,009,567.35/x - Step 3: Cross multiply
1,869,007.07x = 2,579,230.80 × 1,009,567.35 - Step 4: Simplify right side
1,869,007.07x = 2,603,907,203,794.38 - Step 5: Solve for x
x = 2,603,907,203,794.38/1,869,007.07 - Step 6: Final answer
x = 1,393,203.50
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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.