Finding the Fourth Proportional to 1,610,040.51, 2,220,930.77 and 1,005,378.75
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Solution
The fourth proportional to 1,610,040.51, 2,220,930.77 and 1,005,378.75 is: 1,386,844.98
Step by Step Solution
- Step 1: Write the proportion equation
1,610,040.51 : 2,220,930.77 = 1,005,378.75 : x - Step 2: Convert to fraction form
1,610,040.51/2,220,930.77 = 1,005,378.75/x - Step 3: Cross multiply
1,610,040.51x = 2,220,930.77 × 1,005,378.75 - Step 4: Simplify right side
1,610,040.51x = 2,232,876,596,352.24 - Step 5: Solve for x
x = 2,232,876,596,352.24/1,610,040.51 - Step 6: Final answer
x = 1,386,844.98
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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.